Quantifying Bias in Randomized Controlled Trials in Child Health: A Meta-Epidemiological Study
Events
Loading … Spinner

Mendeley | Further Information

{"title"=>"Quantifying bias in randomized controlled trials in child health: A meta-epidemiological study", "type"=>"journal", "authors"=>[{"first_name"=>"Lisa", "last_name"=>"Hartling", "scopus_author_id"=>"7003502722"}, {"first_name"=>"Michele P.", "last_name"=>"Hamm", "scopus_author_id"=>"35744803600"}, {"first_name"=>"Ricardo M.", "last_name"=>"Fernandes", "scopus_author_id"=>"24436565500"}, {"first_name"=>"Donna M.", "last_name"=>"Dryden", "scopus_author_id"=>"7004366662"}, {"first_name"=>"Ben", "last_name"=>"Vandermeer", "scopus_author_id"=>"8892847100"}], "year"=>2014, "source"=>"PLoS ONE", "identifiers"=>{"isbn"=>"1932-6203", "issn"=>"19326203", "pui"=>"372510254", "sgr"=>"84895135024", "pmid"=>"24505351", "scopus"=>"2-s2.0-84895135024", "doi"=>"10.1371/journal.pone.0088008"}, "id"=>"38a09a65-ee05-35d5-8c5c-50e458e01715", "abstract"=>"OBJECTIVE: To quantify bias related to specific methodological characteristics in child-relevant randomized controlled trials (RCTs).\\n\\nDESIGN: Meta-epidemiological study.\\n\\nDATA SOURCES: We identified systematic reviews containing a meta-analysis with 10-40 RCTs that were relevant to child health in the Cochrane Database of Systematic Reviews.\\n\\nDATA EXTRACTION: Two reviewers independently assessed RCTs using items in the Cochrane Risk of Bias tool and other study factors. We used meta-epidemiological methods to assess for differences in effect estimates between studies classified as high/unclear vs. low risk of bias.\\n\\nRESULTS: We included 287 RCTs from 17 meta-analyses. The proportion of studies at high/unclear risk of bias was: 79% sequence generation, 83% allocation concealment, 67% blinding of participants, 47% blinding of outcome assessment, 49% incomplete outcome data, 32% selective outcome reporting, 44% other sources of bias, 97% overall risk of bias, 56% funding, 35% baseline imbalance, 13% blocked randomization in unblinded trials, and 1% early stopping for benefit. We found no significant differences in effect estimates for studies that were high/unclear vs. low risk of bias for any of the risk of bias domains, overall risk of bias, or other study factors.\\n\\nCONCLUSIONS: We found no differences in effect estimates between studies based on risk of bias. A potential explanation is the number of trials included, in particular the small number of studies with low risk of bias. Until further evidence is available, reviewers should not exclude RCTs from systematic reviews and meta-analyses based solely on risk of bias particularly in the area of child health.", "link"=>"http://www.mendeley.com/research/quantifying-bias-randomized-controlled-trials-child-health-metaepidemiological-study", "reader_count"=>14, "reader_count_by_academic_status"=>{"Unspecified"=>1, "Librarian"=>2, "Researcher"=>3, "Student > Ph. D. Student"=>3, "Student > Postgraduate"=>1, "Other"=>2, "Student > Master"=>2}, "reader_count_by_user_role"=>{"Unspecified"=>1, "Librarian"=>2, "Researcher"=>3, "Student > Ph. D. Student"=>3, "Student > Postgraduate"=>1, "Other"=>2, "Student > Master"=>2}, "reader_count_by_subject_area"=>{"Unspecified"=>2, "Medicine and Dentistry"=>7, "Agricultural and Biological Sciences"=>1, "Arts and Humanities"=>1, "Social Sciences"=>1, "Decision Sciences"=>1, "Economics, Econometrics and Finance"=>1}, "reader_count_by_subdiscipline"=>{"Medicine and Dentistry"=>{"Medicine and Dentistry"=>7}, "Social Sciences"=>{"Social Sciences"=>1}, "Decision Sciences"=>{"Decision Sciences"=>1}, "Economics, Econometrics and Finance"=>{"Economics, Econometrics and Finance"=>1}, "Agricultural and Biological Sciences"=>{"Agricultural and Biological Sciences"=>1}, "Unspecified"=>{"Unspecified"=>2}, "Arts and Humanities"=>{"Arts and Humanities"=>1}}, "reader_count_by_country"=>{"United Kingdom"=>1, "Australia"=>1, "Germany"=>1}, "group_count"=>1}

Scopus | Further Information

{"@_fa"=>"true", "link"=>[{"@_fa"=>"true", "@ref"=>"self", "@href"=>"https://api.elsevier.com/content/abstract/scopus_id/84895135024"}, {"@_fa"=>"true", "@ref"=>"author-affiliation", "@href"=>"https://api.elsevier.com/content/abstract/scopus_id/84895135024?field=author,affiliation"}, {"@_fa"=>"true", "@ref"=>"scopus", "@href"=>"https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84895135024&origin=inward"}, {"@_fa"=>"true", "@ref"=>"scopus-citedby", "@href"=>"https://www.scopus.com/inward/citedby.uri?partnerID=HzOxMe3b&scp=84895135024&origin=inward"}], "prism:url"=>"https://api.elsevier.com/content/abstract/scopus_id/84895135024", "dc:identifier"=>"SCOPUS_ID:84895135024", "eid"=>"2-s2.0-84895135024", "dc:title"=>"Quantifying bias in randomized controlled trials in child health: A meta-epidemiological study", "dc:creator"=>"Hartling L.", "prism:publicationName"=>"PLoS ONE", "prism:eIssn"=>"19326203", "prism:volume"=>"9", "prism:issueIdentifier"=>"2", "prism:pageRange"=>nil, "prism:coverDate"=>"2014-02-04", "prism:coverDisplayDate"=>"4 February 2014", "prism:doi"=>"10.1371/journal.pone.0088008", "citedby-count"=>"14", "affiliation"=>[{"@_fa"=>"true", "affilname"=>"University of Alberta", "affiliation-city"=>"Edmonton", "affiliation-country"=>"Canada"}], "pubmed-id"=>"24505351", "prism:aggregationType"=>"Journal", "subtype"=>"ar", "subtypeDescription"=>"Article", "article-number"=>"e88008", "source-id"=>"10600153309", "openaccess"=>"1", "openaccessFlag"=>true}

Facebook

  • {"url"=>"http%3A%2F%2Fjournals.plos.org%2Fplosone%2Farticle%3Fid%3D10.1371%252Fjournal.pone.0088008", "share_count"=>0, "like_count"=>0, "comment_count"=>0, "click_count"=>0, "total_count"=>0}

Twitter

Counter

  • {"month"=>"2", "year"=>"2014", "pdf_views"=>"20", "xml_views"=>"5", "html_views"=>"228"}
  • {"month"=>"3", "year"=>"2014", "pdf_views"=>"12", "xml_views"=>"3", "html_views"=>"37"}
  • {"month"=>"4", "year"=>"2014", "pdf_views"=>"11", "xml_views"=>"3", "html_views"=>"48"}
  • {"month"=>"5", "year"=>"2014", "pdf_views"=>"4", "xml_views"=>"0", "html_views"=>"52"}
  • {"month"=>"6", "year"=>"2014", "pdf_views"=>"13", "xml_views"=>"0", "html_views"=>"56"}
  • {"month"=>"7", "year"=>"2014", "pdf_views"=>"6", "xml_views"=>"0", "html_views"=>"46"}
  • {"month"=>"8", "year"=>"2014", "pdf_views"=>"5", "xml_views"=>"2", "html_views"=>"33"}
  • {"month"=>"9", "year"=>"2014", "pdf_views"=>"5", "xml_views"=>"1", "html_views"=>"48"}
  • {"month"=>"10", "year"=>"2014", "pdf_views"=>"7", "xml_views"=>"1", "html_views"=>"50"}
  • {"month"=>"11", "year"=>"2014", "pdf_views"=>"4", "xml_views"=>"1", "html_views"=>"58"}
  • {"month"=>"12", "year"=>"2014", "pdf_views"=>"2", "xml_views"=>"1", "html_views"=>"24"}
  • {"month"=>"1", "year"=>"2015", "pdf_views"=>"4", "xml_views"=>"0", "html_views"=>"25"}
  • {"month"=>"2", "year"=>"2015", "pdf_views"=>"3", "xml_views"=>"0", "html_views"=>"13"}
  • {"month"=>"3", "year"=>"2015", "pdf_views"=>"2", "xml_views"=>"0", "html_views"=>"11"}
  • {"month"=>"4", "year"=>"2015", "pdf_views"=>"4", "xml_views"=>"1", "html_views"=>"16"}
  • {"month"=>"5", "year"=>"2015", "pdf_views"=>"4", "xml_views"=>"0", "html_views"=>"23"}
  • {"month"=>"6", "year"=>"2015", "pdf_views"=>"7", "xml_views"=>"0", "html_views"=>"19"}
  • {"month"=>"7", "year"=>"2015", "pdf_views"=>"5", "xml_views"=>"0", "html_views"=>"19"}
  • {"month"=>"8", "year"=>"2015", "pdf_views"=>"2", "xml_views"=>"0", "html_views"=>"11"}
  • {"month"=>"9", "year"=>"2015", "pdf_views"=>"5", "xml_views"=>"1", "html_views"=>"18"}
  • {"month"=>"10", "year"=>"2015", "pdf_views"=>"1", "xml_views"=>"0", "html_views"=>"25"}
  • {"month"=>"11", "year"=>"2015", "pdf_views"=>"4", "xml_views"=>"0", "html_views"=>"22"}
  • {"month"=>"12", "year"=>"2015", "pdf_views"=>"3", "xml_views"=>"0", "html_views"=>"18"}
  • {"month"=>"1", "year"=>"2016", "pdf_views"=>"8", "xml_views"=>"0", "html_views"=>"29"}
  • {"month"=>"2", "year"=>"2016", "pdf_views"=>"0", "xml_views"=>"0", "html_views"=>"22"}
  • {"month"=>"3", "year"=>"2016", "pdf_views"=>"3", "xml_views"=>"0", "html_views"=>"29"}
  • {"month"=>"4", "year"=>"2016", "pdf_views"=>"4", "xml_views"=>"0", "html_views"=>"18"}
  • {"month"=>"5", "year"=>"2016", "pdf_views"=>"7", "xml_views"=>"0", "html_views"=>"18"}
  • {"month"=>"6", "year"=>"2016", "pdf_views"=>"4", "xml_views"=>"0", "html_views"=>"20"}
  • {"month"=>"7", "year"=>"2016", "pdf_views"=>"0", "xml_views"=>"0", "html_views"=>"14"}
  • {"month"=>"8", "year"=>"2016", "pdf_views"=>"7", "xml_views"=>"0", "html_views"=>"9"}
  • {"month"=>"9", "year"=>"2016", "pdf_views"=>"9", "xml_views"=>"0", "html_views"=>"21"}
  • {"month"=>"10", "year"=>"2016", "pdf_views"=>"7", "xml_views"=>"0", "html_views"=>"28"}
  • {"month"=>"11", "year"=>"2016", "pdf_views"=>"2", "xml_views"=>"0", "html_views"=>"9"}
  • {"month"=>"12", "year"=>"2016", "pdf_views"=>"7", "xml_views"=>"1", "html_views"=>"21"}
  • {"month"=>"1", "year"=>"2017", "pdf_views"=>"1", "xml_views"=>"0", "html_views"=>"22"}
  • {"month"=>"2", "year"=>"2017", "pdf_views"=>"1", "xml_views"=>"1", "html_views"=>"33"}
  • {"month"=>"3", "year"=>"2017", "pdf_views"=>"3", "xml_views"=>"0", "html_views"=>"26"}
  • {"month"=>"4", "year"=>"2017", "pdf_views"=>"9", "xml_views"=>"1", "html_views"=>"29"}
  • {"month"=>"5", "year"=>"2017", "pdf_views"=>"0", "xml_views"=>"0", "html_views"=>"26"}
  • {"month"=>"6", "year"=>"2017", "pdf_views"=>"3", "xml_views"=>"0", "html_views"=>"16"}
  • {"month"=>"7", "year"=>"2017", "pdf_views"=>"3", "xml_views"=>"0", "html_views"=>"12"}
  • {"month"=>"8", "year"=>"2017", "pdf_views"=>"2", "xml_views"=>"1", "html_views"=>"16"}
  • {"month"=>"9", "year"=>"2017", "pdf_views"=>"4", "xml_views"=>"2", "html_views"=>"19"}
  • {"month"=>"10", "year"=>"2017", "pdf_views"=>"1", "xml_views"=>"1", "html_views"=>"27"}
  • {"month"=>"11", "year"=>"2017", "pdf_views"=>"1", "xml_views"=>"1", "html_views"=>"58"}
  • {"month"=>"12", "year"=>"2017", "pdf_views"=>"5", "xml_views"=>"2", "html_views"=>"23"}
  • {"month"=>"1", "year"=>"2018", "pdf_views"=>"3", "xml_views"=>"0", "html_views"=>"11"}
  • {"month"=>"2", "year"=>"2018", "pdf_views"=>"1", "xml_views"=>"0", "html_views"=>"8"}
  • {"month"=>"3", "year"=>"2018", "pdf_views"=>"2", "xml_views"=>"0", "html_views"=>"18"}
  • {"month"=>"4", "year"=>"2018", "pdf_views"=>"0", "xml_views"=>"1", "html_views"=>"10"}
  • {"month"=>"5", "year"=>"2018", "pdf_views"=>"0", "xml_views"=>"1", "html_views"=>"10"}
  • {"month"=>"6", "year"=>"2018", "pdf_views"=>"4", "xml_views"=>"1", "html_views"=>"10"}
  • {"month"=>"7", "year"=>"2018", "pdf_views"=>"2", "xml_views"=>"3", "html_views"=>"9"}
  • {"month"=>"8", "year"=>"2018", "pdf_views"=>"6", "xml_views"=>"2", "html_views"=>"7"}
  • {"month"=>"9", "year"=>"2018", "pdf_views"=>"1", "xml_views"=>"0", "html_views"=>"3"}
  • {"month"=>"10", "year"=>"2018", "pdf_views"=>"0", "xml_views"=>"1", "html_views"=>"12"}
  • {"month"=>"11", "year"=>"2018", "pdf_views"=>"3", "xml_views"=>"0", "html_views"=>"7"}
  • {"month"=>"12", "year"=>"2018", "pdf_views"=>"1", "xml_views"=>"0", "html_views"=>"9"}
  • {"month"=>"1", "year"=>"2019", "pdf_views"=>"0", "xml_views"=>"0", "html_views"=>"4"}
  • {"month"=>"2", "year"=>"2019", "pdf_views"=>"0", "xml_views"=>"1", "html_views"=>"11"}
  • {"month"=>"3", "year"=>"2019", "pdf_views"=>"1", "xml_views"=>"0", "html_views"=>"3"}
  • {"month"=>"4", "year"=>"2019", "pdf_views"=>"0", "xml_views"=>"0", "html_views"=>"7"}
  • {"month"=>"5", "year"=>"2019", "pdf_views"=>"0", "xml_views"=>"0", "html_views"=>"5"}
  • {"month"=>"6", "year"=>"2019", "pdf_views"=>"5", "xml_views"=>"0", "html_views"=>"7"}
  • {"month"=>"7", "year"=>"2019", "pdf_views"=>"1", "xml_views"=>"0", "html_views"=>"4"}
  • {"month"=>"8", "year"=>"2019", "pdf_views"=>"7", "xml_views"=>"0", "html_views"=>"6"}
  • {"month"=>"9", "year"=>"2019", "pdf_views"=>"10", "xml_views"=>"0", "html_views"=>"13"}
  • {"month"=>"10", "year"=>"2019", "pdf_views"=>"0", "xml_views"=>"0", "html_views"=>"4"}
  • {"month"=>"11", "year"=>"2019", "pdf_views"=>"3", "xml_views"=>"0", "html_views"=>"8"}
  • {"month"=>"12", "year"=>"2019", "pdf_views"=>"1", "xml_views"=>"0", "html_views"=>"3"}
  • {"month"=>"1", "year"=>"2020", "pdf_views"=>"2", "xml_views"=>"0", "html_views"=>"5"}
  • {"month"=>"2", "year"=>"2020", "pdf_views"=>"5", "xml_views"=>"1", "html_views"=>"3"}

Figshare

  • {"files"=>["https://ndownloader.figshare.com/files/1374602"], "description"=>"<div><p>Objective</p><p>To quantify bias related to specific methodological characteristics in child-relevant randomized controlled trials (RCTs).</p><p>Design</p><p>Meta-epidemiological study.</p><p>Data Sources</p><p>We identified systematic reviews containing a meta-analysis with 10–40 RCTs that were relevant to child health in the Cochrane Database of Systematic Reviews.</p><p>Data Extraction</p><p>Two reviewers independently assessed RCTs using items in the Cochrane Risk of Bias tool and other study factors. We used meta-epidemiological methods to assess for differences in effect estimates between studies classified as high/unclear vs. low risk of bias.</p><p>Results</p><p>We included 287 RCTs from 17 meta-analyses. The proportion of studies at high/unclear risk of bias was: 79% sequence generation, 83% allocation concealment, 67% blinding of participants, 47% blinding of outcome assessment, 49% incomplete outcome data, 32% selective outcome reporting, 44% other sources of bias, 97% overall risk of bias, 56% funding, 35% baseline imbalance, 13% blocked randomization in unblinded trials, and 1% early stopping for benefit. We found no significant differences in effect estimates for studies that were high/unclear vs. low risk of bias for any of the risk of bias domains, overall risk of bias, or other study factors.</p><p>Conclusions</p><p>We found no differences in effect estimates between studies based on risk of bias. A potential explanation is the number of trials included, in particular the small number of studies with low risk of bias. Until further evidence is available, reviewers should not exclude RCTs from systematic reviews and meta-analyses based solely on risk of bias particularly in the area of child health.</p></div>", "links"=>[], "tags"=>["Clinical research design", "clinical trials", "meta-analyses", "Systematic reviews", "pediatrics", "Public health", "Child health", "Research assessment", "Publication practices", "Research reporting guidelines", "Research integrity", "Publication ethics", "randomized", "controlled", "trials", "meta-epidemiological"], "article_id"=>924877, "categories"=>["Medicine", "Science Policy"], "users"=>["Lisa Hartling", "Michele P. Hamm", "Ricardo M. Fernandes", "Donna M. Dryden", "Ben Vandermeer"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0088008", "stats"=>{"downloads"=>5, "page_views"=>11, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Quantifying_Bias_in_Randomized_Controlled_Trials_in_Child_Health_A_Meta_Epidemiological_Study_/924877", "title"=>"Quantifying Bias in Randomized Controlled Trials in Child Health: A Meta-Epidemiological Study", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2014-02-04 02:48:25"}
  • {"files"=>["https://ndownloader.figshare.com/files/1374600"], "description"=>"<p>Risk of bias assessments by domain (N = 287).</p>", "links"=>[], "tags"=>["Clinical research design", "clinical trials", "meta-analyses", "Systematic reviews", "pediatrics", "Public health", "Child health", "Research assessment", "Publication practices", "Research reporting guidelines", "Research integrity", "Publication ethics", "assessments"], "article_id"=>924875, "categories"=>["Medicine", "Science Policy"], "users"=>["Lisa Hartling", "Michele P. Hamm", "Ricardo M. Fernandes", "Donna M. Dryden", "Ben Vandermeer"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0088008.t002", "stats"=>{"downloads"=>5, "page_views"=>6, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Risk_of_bias_assessments_by_domain_N_8202_8202_287_/924875", "title"=>"Risk of bias assessments by domain (N = 287).", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2014-02-04 02:48:25"}
  • {"files"=>["https://ndownloader.figshare.com/files/1374601"], "description"=>"<p>Results of meta-epidemiological analysis of bias items and treatment effect estimates.</p>", "links"=>[], "tags"=>["Clinical research design", "clinical trials", "meta-analyses", "Systematic reviews", "pediatrics", "Public health", "Child health", "Research assessment", "Publication practices", "Research reporting guidelines", "Research integrity", "Publication ethics", "meta-epidemiological", "items"], "article_id"=>924876, "categories"=>["Medicine", "Science Policy"], "users"=>["Lisa Hartling", "Michele P. Hamm", "Ricardo M. Fernandes", "Donna M. Dryden", "Ben Vandermeer"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0088008.t003", "stats"=>{"downloads"=>3, "page_views"=>2, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Results_of_meta_epidemiological_analysis_of_bias_items_and_treatment_effect_estimates_/924876", "title"=>"Results of meta-epidemiological analysis of bias items and treatment effect estimates.", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2014-02-04 02:48:25"}
  • {"files"=>["https://ndownloader.figshare.com/files/1374599"], "description"=>"<p>* where totals do not equal number of studies, the balance of studies did not report this variable.</p>", "links"=>[], "tags"=>["Clinical research design", "clinical trials", "meta-analyses", "Systematic reviews", "pediatrics", "Public health", "Child health", "Research assessment", "Publication practices", "Research reporting guidelines", "Research integrity", "Publication ethics", "included"], "article_id"=>924874, "categories"=>["Medicine", "Science Policy"], "users"=>["Lisa Hartling", "Michele P. Hamm", "Ricardo M. Fernandes", "Donna M. Dryden", "Ben Vandermeer"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0088008.t001", "stats"=>{"downloads"=>3, "page_views"=>3, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Description_of_meta_analyses_included_in_sample_/924874", "title"=>"Description of meta-analyses included in sample.", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2014-02-04 02:48:25"}

PMC Usage Stats | Further Information

  • {"unique-ip"=>"24", "full-text"=>"22", "pdf"=>"16", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"1", "cited-by"=>"0", "year"=>"2014", "month"=>"2"}
  • {"unique-ip"=>"14", "full-text"=>"15", "pdf"=>"10", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2014", "month"=>"3"}
  • {"unique-ip"=>"5", "full-text"=>"8", "pdf"=>"4", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2014", "month"=>"5"}
  • {"unique-ip"=>"5", "full-text"=>"7", "pdf"=>"0", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2014", "month"=>"6"}
  • {"unique-ip"=>"7", "full-text"=>"6", "pdf"=>"5", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2014", "month"=>"4"}
  • {"unique-ip"=>"6", "full-text"=>"6", "pdf"=>"1", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2015", "month"=>"4"}
  • {"unique-ip"=>"10", "full-text"=>"9", "pdf"=>"5", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2015", "month"=>"5"}
  • {"unique-ip"=>"4", "full-text"=>"4", "pdf"=>"3", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2015", "month"=>"6"}
  • {"unique-ip"=>"3", "full-text"=>"3", "pdf"=>"1", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2015", "month"=>"7"}
  • {"unique-ip"=>"9", "full-text"=>"11", "pdf"=>"5", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2015", "month"=>"3"}
  • {"unique-ip"=>"6", "full-text"=>"6", "pdf"=>"4", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2015", "month"=>"2"}
  • {"unique-ip"=>"2", "full-text"=>"2", "pdf"=>"2", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2015", "month"=>"8"}
  • {"unique-ip"=>"8", "full-text"=>"6", "pdf"=>"2", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"1", "cited-by"=>"0", "year"=>"2015", "month"=>"9"}
  • {"unique-ip"=>"4", "full-text"=>"4", "pdf"=>"0", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2015", "month"=>"10"}
  • {"unique-ip"=>"4", "full-text"=>"4", "pdf"=>"0", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2014", "month"=>"7"}
  • {"unique-ip"=>"9", "full-text"=>"11", "pdf"=>"3", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2014", "month"=>"8"}
  • {"unique-ip"=>"10", "full-text"=>"8", "pdf"=>"5", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2014", "month"=>"9"}
  • {"unique-ip"=>"13", "full-text"=>"10", "pdf"=>"7", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"1", "cited-by"=>"0", "year"=>"2014", "month"=>"10"}
  • {"unique-ip"=>"1", "full-text"=>"1", "pdf"=>"1", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2016", "month"=>"1"}
  • {"unique-ip"=>"4", "full-text"=>"4", "pdf"=>"1", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2016", "month"=>"2"}
  • {"unique-ip"=>"6", "full-text"=>"5", "pdf"=>"1", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2014", "month"=>"11"}
  • {"unique-ip"=>"4", "full-text"=>"3", "pdf"=>"1", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2014", "month"=>"12"}
  • {"unique-ip"=>"7", "full-text"=>"6", "pdf"=>"2", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2015", "month"=>"1"}
  • {"unique-ip"=>"8", "full-text"=>"5", "pdf"=>"2", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"2", "year"=>"2015", "month"=>"11"}
  • {"unique-ip"=>"8", "full-text"=>"4", "pdf"=>"5", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2015", "month"=>"12"}
  • {"unique-ip"=>"2", "full-text"=>"14", "pdf"=>"0", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2016", "month"=>"3"}
  • {"unique-ip"=>"2", "full-text"=>"2", "pdf"=>"1", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2016", "month"=>"4"}
  • {"unique-ip"=>"4", "full-text"=>"4", "pdf"=>"1", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2016", "month"=>"5"}
  • {"unique-ip"=>"3", "full-text"=>"2", "pdf"=>"2", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2016", "month"=>"6"}
  • {"unique-ip"=>"1", "full-text"=>"1", "pdf"=>"0", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2016", "month"=>"7"}
  • {"unique-ip"=>"2", "full-text"=>"1", "pdf"=>"1", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2016", "month"=>"8"}
  • {"unique-ip"=>"4", "full-text"=>"4", "pdf"=>"1", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2016", "month"=>"9"}
  • {"unique-ip"=>"5", "full-text"=>"4", "pdf"=>"1", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"1", "cited-by"=>"0", "year"=>"2016", "month"=>"10"}
  • {"unique-ip"=>"1", "full-text"=>"1", "pdf"=>"0", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2016", "month"=>"11"}
  • {"unique-ip"=>"9", "full-text"=>"10", "pdf"=>"3", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2016", "month"=>"12"}
  • {"unique-ip"=>"5", "full-text"=>"2", "pdf"=>"1", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2017", "month"=>"1"}
  • {"unique-ip"=>"3", "full-text"=>"3", "pdf"=>"0", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2017", "month"=>"2"}
  • {"unique-ip"=>"5", "full-text"=>"4", "pdf"=>"1", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2017", "month"=>"3"}
  • {"unique-ip"=>"3", "full-text"=>"3", "pdf"=>"1", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2017", "month"=>"4"}
  • {"unique-ip"=>"8", "full-text"=>"7", "pdf"=>"1", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2017", "month"=>"5"}
  • {"unique-ip"=>"5", "full-text"=>"5", "pdf"=>"0", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2017", "month"=>"6"}
  • {"unique-ip"=>"7", "full-text"=>"9", "pdf"=>"1", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2017", "month"=>"8"}
  • {"unique-ip"=>"3", "full-text"=>"2", "pdf"=>"1", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2017", "month"=>"9"}
  • {"unique-ip"=>"3", "full-text"=>"2", "pdf"=>"1", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2017", "month"=>"10"}
  • {"unique-ip"=>"1", "full-text"=>"1", "pdf"=>"1", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2017", "month"=>"11"}
  • {"unique-ip"=>"5", "full-text"=>"5", "pdf"=>"0", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2017", "month"=>"12"}
  • {"unique-ip"=>"4", "full-text"=>"4", "pdf"=>"2", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2018", "month"=>"1"}
  • {"unique-ip"=>"1", "full-text"=>"1", "pdf"=>"0", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2018", "month"=>"2"}
  • {"unique-ip"=>"3", "full-text"=>"3", "pdf"=>"3", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2018", "month"=>"3"}
  • {"unique-ip"=>"7", "full-text"=>"7", "pdf"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2019", "month"=>"1"}
  • {"unique-ip"=>"8", "full-text"=>"6", "pdf"=>"3", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"1", "cited-by"=>"0", "year"=>"2018", "month"=>"11"}
  • {"unique-ip"=>"7", "full-text"=>"8", "pdf"=>"1", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2018", "month"=>"12"}
  • {"unique-ip"=>"7", "full-text"=>"7", "pdf"=>"1", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2018", "month"=>"4"}
  • {"unique-ip"=>"4", "full-text"=>"5", "pdf"=>"3", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2018", "month"=>"5"}
  • {"unique-ip"=>"6", "full-text"=>"6", "pdf"=>"3", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2018", "month"=>"6"}
  • {"unique-ip"=>"6", "full-text"=>"5", "pdf"=>"1", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"1", "cited-by"=>"0", "year"=>"2018", "month"=>"7"}
  • {"unique-ip"=>"6", "full-text"=>"6", "pdf"=>"1", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"1", "cited-by"=>"0", "year"=>"2018", "month"=>"8"}
  • {"unique-ip"=>"6", "full-text"=>"9", "pdf"=>"2", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2018", "month"=>"10"}
  • {"unique-ip"=>"6", "full-text"=>"10", "pdf"=>"1", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2018", "month"=>"9"}
  • {"unique-ip"=>"6", "full-text"=>"10", "pdf"=>"1", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"3", "cited-by"=>"0", "year"=>"2019", "month"=>"2"}
  • {"unique-ip"=>"2", "full-text"=>"2", "pdf"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2019", "month"=>"3"}
  • {"unique-ip"=>"10", "full-text"=>"6", "pdf"=>"3", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"1", "cited-by"=>"0", "year"=>"2019", "month"=>"4"}
  • {"unique-ip"=>"7", "full-text"=>"5", "pdf"=>"3", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2019", "month"=>"5"}
  • {"unique-ip"=>"6", "full-text"=>"4", "pdf"=>"3", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2019", "month"=>"8"}
  • {"unique-ip"=>"5", "full-text"=>"3", "pdf"=>"3", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2019", "month"=>"9"}
  • {"unique-ip"=>"16", "full-text"=>"15", "pdf"=>"1", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2019", "month"=>"10"}
  • {"unique-ip"=>"2", "full-text"=>"0", "pdf"=>"2", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2019", "month"=>"12"}

Relative Metric

{"start_date"=>"2014-01-01T00:00:00Z", "end_date"=>"2014-12-31T00:00:00Z", "subject_areas"=>[{"subject_area"=>"/Medicine and health sciences/Clinical medicine", "average_usage"=>[282]}, {"subject_area"=>"/Medicine and health sciences/Pediatrics", "average_usage"=>[304, 478]}, {"subject_area"=>"/People and places", "average_usage"=>[302]}, {"subject_area"=>"/Physical sciences/Mathematics", "average_usage"=>[286]}]}
Loading … Spinner
There are currently no alerts