The Epidemiology of Hepatitis C Virus in the Fertile Crescent: Systematic Review and Meta-Analysis
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{"title"=>"The epidemiology of hepatitis C virus in the fertile crescent: Systematic review and meta-analysis", "type"=>"journal", "authors"=>[{"first_name"=>"Hiam", "last_name"=>"Chemaitelly", "scopus_author_id"=>"7801443068"}, {"first_name"=>"Karima", "last_name"=>"Chaabna", "scopus_author_id"=>"51565445000"}, {"first_name"=>"Laith J.", "last_name"=>"Abu-Raddad", "scopus_author_id"=>"14032724700"}], "year"=>2015, "source"=>"PLoS ONE", "identifiers"=>{"pmid"=>"26296200", "doi"=>"10.1371/journal.pone.0135281", "sgr"=>"84942871980", "isbn"=>"1932-6203 (Electronic)\\r1932-6203 (Linking)", "scopus"=>"2-s2.0-84942871980", "issn"=>"19326203", "pui"=>"606195702"}, "id"=>"f3d51789-b817-30a6-8356-4d0c12c085d9", "abstract"=>"OBJECTIVE: To characterize hepatitis C virus (HCV) epidemiology in countries of the Fertile Crescent region of the Middle East and North Africa (MENA), namely Iraq, Jordan, Lebanon, Palestine, and Syria. METHODS: We systematically reviewed and synthesized available records of HCV incidence and prevalence following PRISMA guidelines. Meta-analyses were implemented using a DerSimonian-Laird random effects model with inverse weighting to estimate the country-specific HCV prevalence among the various at risk population groups. RESULTS: We identified eight HCV incidence and 240 HCV prevalence measures in the Fertile Crescent. HCV sero-conversion risk among hemodialysis patients was 9.2% in Jordan and 40.3% in Iraq, and ranged between 0% and 3.5% among other populations in Iraq over different follow-up times. Our meta-analyses estimated HCV prevalence among the general population at 0.2% in Iraq (range: 0-7.2%; 95% CI: 0.1-0.3%), 0.3% in Jordan (range: 0-2.0%; 95% CI: 0.1-0.5%), 0.2% in Lebanon (range: 0-3.4%; 95% CI: 0.1-0.3%), 0.2% in Palestine (range: 0-9.0%; 95% CI: 0.2-0.3%), and 0.4% in Syria (range: 0.3-0.9%; 95% CI: 0.4-0.5%). Among populations at high risk, HCV prevalence was estimated at 19.5% in Iraq (range: 0-67.3%; 95% CI: 14.9-24.5%), 37.0% in Jordan (range: 21-59.5%; 95% CI: 29.3-45.0%), 14.5% in Lebanon (range: 0-52.8%; 95% CI: 5.6-26.5%), and 47.4% in Syria (range: 21.0-75.0%; 95% CI: 32.5-62.5%). Genotypes 4 and 1 appear to be the dominant circulating strains. CONCLUSIONS: HCV prevalence in the population at large appears to be below 1%, lower than that in other MENA sub-regions, and tending towards the lower end of the global range. However, there is evidence for ongoing HCV transmission within medical facilities and among people who inject drugs (PWID). Migration dynamics appear to have played a role in determining the circulating genotypes. HCV prevention efforts should be targeted, and focus on infection control in clinical settings and harm reduction among PWID.", "link"=>"http://www.mendeley.com/research/epidemiology-hepatitis-c-virus-fertile-crescent-systematic-review-metaanalysis", "reader_count"=>15, "reader_count_by_academic_status"=>{"Researcher"=>2, "Student > Doctoral Student"=>2, "Student > Ph. D. Student"=>2, "Student > Postgraduate"=>2, "Student > Master"=>2, "Other"=>1, "Student > Bachelor"=>3, "Lecturer > Senior Lecturer"=>1}, "reader_count_by_user_role"=>{"Researcher"=>2, "Student > Doctoral Student"=>2, "Student > Ph. D. Student"=>2, "Student > Postgraduate"=>2, "Student > Master"=>2, "Other"=>1, "Student > Bachelor"=>3, "Lecturer > Senior Lecturer"=>1}, "reader_count_by_subject_area"=>{"Unspecified"=>1, "Nursing and Health Professions"=>4, "Medicine and Dentistry"=>8, "Immunology and Microbiology"=>2}, "reader_count_by_subdiscipline"=>{"Medicine and Dentistry"=>{"Medicine and Dentistry"=>8}, "Immunology and Microbiology"=>{"Immunology and Microbiology"=>2}, "Nursing and Health Professions"=>{"Nursing and Health Professions"=>4}, "Unspecified"=>{"Unspecified"=>1}}, "reader_count_by_country"=>{"Canada"=>1, "Spain"=>1}, "group_count"=>2}

Scopus | Further Information

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Figshare

  • {"files"=>["https://ndownloader.figshare.com/files/2220580"], "description"=>"<p>MENA HIV ESP, Middle East and North Africa HIV/AIDS Epidemiology Synthesis Project database; PHIC, Palestinian Health Information Center; Prev, prevalence; Q, quarter; RDS, respondent driven sampling; SRS, simple random sampling; StRS, stratified random sampling; Trans, transfusion.</p><p>*The table reports only studies whose sample size is greater or equal to 50 participants. For space considerations, the table shows the overall HCV measure of each study rather than stratifications within population subgroups.</p><p>**The decimal places of the prevalence figures are as reported in the original report, but prevalence figures with more than one decimal places were rounded to one decimal place.</p><p>Studies reporting hepatitis C virus (HCV) prevalence among the general population (populations at low risk) in countries of the Fertile Crescent.</p>", "links"=>[], "tags"=>["risk population groups.ResultsWe", "Fertile Crescent", "HCV prevalence", "mena", "pwid", "prisma", "Hepatitis C virus", "ci", "Fertile Crescent region", "HCV prevention efforts", "jordan", "HCV incidence", "240 HCV prevalence measures"], "article_id"=>1516745, "categories"=>["Biological Sciences"], "users"=>["Hiam Chemaitelly", "Karima Chaabna", "Laith J. Abu-Raddad"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0135281.t003", "stats"=>{"downloads"=>2, "page_views"=>14, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Studies_reporting_hepatitis_C_virus_HCV_prevalence_among_the_general_population_populations_at_low_risk_in_countries_of_the_Fertile_Crescent_/1516745", "title"=>"Studies reporting hepatitis C virus (HCV) prevalence among the general population (populations at low risk) in countries of the Fertile Crescent.", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2015-08-21 03:50:21"}
  • {"files"=>["https://ndownloader.figshare.com/files/2220578"], "description"=>"<p>Studies reporting hepatitis C virus (HCV) incidence in countries of the Fertile Crescent.</p>", "links"=>[], "tags"=>["risk population groups.ResultsWe", "Fertile Crescent", "HCV prevalence", "mena", "pwid", "prisma", "Hepatitis C virus", "ci", "Fertile Crescent region", "HCV prevention efforts", "jordan", "HCV incidence", "240 HCV prevalence measures"], "article_id"=>1516743, "categories"=>["Biological Sciences"], "users"=>["Hiam Chemaitelly", "Karima Chaabna", "Laith J. Abu-Raddad"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0135281.t001", "stats"=>{"downloads"=>1, "page_views"=>9, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Studies_reporting_hepatitis_C_virus_HCV_incidence_in_countries_of_the_Fertile_Crescent_/1516743", "title"=>"Studies reporting hepatitis C virus (HCV) incidence in countries of the Fertile Crescent.", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2015-08-21 03:50:21"}
  • {"files"=>["https://ndownloader.figshare.com/files/2220579"], "description"=>"<p>MENA HIV/AIDS ESP, Middle East and North Africa HIV/AIDS Epidemiology Synthesis Project database; MOH, Ministry of Health; Prev, prevalence; RDS, respondent driven sampling; SRS, simple random sampling; Trans, transfusion.</p><p>*The table reports only studies whose sample size is greater or equal to 50 participants. For space considerations, the table shows the overall HCV measure of each study rather than stratifications within population subgroups.</p><p>**The decimal places of the prevalence figures are as reported in the original report, but prevalence figures with more than one decimal places were rounded to one decimal place.</p><p>Studies reporting hepatitis C virus (HCV) prevalence among populations at high risk in countries of the Fertile Crescent.</p>", "links"=>[], "tags"=>["risk population groups.ResultsWe", "Fertile Crescent", "HCV prevalence", "mena", "pwid", "prisma", "Hepatitis C virus", "ci", "Fertile Crescent region", "HCV prevention efforts", "jordan", "HCV incidence", "240 HCV prevalence measures"], "article_id"=>1516744, "categories"=>["Biological Sciences"], "users"=>["Hiam Chemaitelly", "Karima Chaabna", "Laith J. Abu-Raddad"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0135281.t002", "stats"=>{"downloads"=>0, "page_views"=>8, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Studies_reporting_hepatitis_C_virus_HCV_prevalence_among_populations_at_high_risk_in_countries_of_the_Fertile_Crescent_/1516744", "title"=>"Studies reporting hepatitis C virus (HCV) prevalence among populations at high risk in countries of the Fertile Crescent.", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2015-08-21 03:50:21"}
  • {"files"=>["https://ndownloader.figshare.com/files/2220577"], "description"=>"<p>Flow chart of article selection for the systematic review of hepatitis C virus (HCV) incidence and prevalence in the Fertile Crescent countries, adapted from the PRISMA 2009 guidelines [<a href=\"http://www.plosone.org/article/info:doi/10.1371/journal.pone.0135281#pone.0135281.ref016\" target=\"_blank\">16</a>].</p>", "links"=>[], "tags"=>["risk population groups.ResultsWe", "Fertile Crescent", "HCV prevalence", "mena", "pwid", "prisma", "Hepatitis C virus", "ci", "Fertile Crescent region", "HCV prevention efforts", "jordan", "HCV incidence", "240 HCV prevalence measures"], "article_id"=>1516742, "categories"=>["Biological Sciences"], "users"=>["Hiam Chemaitelly", "Karima Chaabna", "Laith J. Abu-Raddad"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0135281.g001", "stats"=>{"downloads"=>2, "page_views"=>72, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Flow_chart_of_article_selection_for_the_systematic_review_of_hepatitis_C_virus_HCV_incidence_and_prevalence_in_the_Fertile_Crescent_countries_adapted_from_the_PRISMA_2009_guidelines_16_/1516742", "title"=>"Flow chart of article selection for the systematic review of hepatitis C virus (HCV) incidence and prevalence in the Fertile Crescent countries, adapted from the PRISMA 2009 guidelines [16].", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2015-08-21 03:50:21"}
  • {"files"=>["https://ndownloader.figshare.com/files/2220588", "https://ndownloader.figshare.com/files/2220589", "https://ndownloader.figshare.com/files/2220590", "https://ndownloader.figshare.com/files/2220591", "https://ndownloader.figshare.com/files/2220592", "https://ndownloader.figshare.com/files/2220593", "https://ndownloader.figshare.com/files/2220594", "https://ndownloader.figshare.com/files/2220595", "https://ndownloader.figshare.com/files/2220596", "https://ndownloader.figshare.com/files/2220597", "https://ndownloader.figshare.com/files/2220598", "https://ndownloader.figshare.com/files/2220599", "https://ndownloader.figshare.com/files/2220600", "https://ndownloader.figshare.com/files/2220601", "https://ndownloader.figshare.com/files/2220602", "https://ndownloader.figshare.com/files/2220603", "https://ndownloader.figshare.com/files/2220604"], "description"=>"<div><p>Objective</p><p>To characterize hepatitis C virus (HCV) epidemiology in countries of the Fertile Crescent region of the Middle East and North Africa (MENA), namely Iraq, Jordan, Lebanon, Palestine, and Syria.</p><p>Methods</p><p>We systematically reviewed and synthesized available records of HCV incidence and prevalence following PRISMA guidelines. Meta-analyses were implemented using a DerSimonian-Laird random effects model with inverse weighting to estimate the country-specific HCV prevalence among the various at risk population groups.</p><p>Results</p><p>We identified eight HCV incidence and 240 HCV prevalence measures in the Fertile Crescent. HCV sero-conversion risk among hemodialysis patients was 9.2% in Jordan and 40.3% in Iraq, and ranged between 0% and 3.5% among other populations in Iraq over different follow-up times. Our meta-analyses estimated HCV prevalence among the general population at 0.2% in Iraq (range: 0–7.2%; 95% CI: 0.1–0.3%), 0.3% in Jordan (range: 0–2.0%; 95% CI: 0.1–0.5%), 0.2% in Lebanon (range: 0–3.4%; 95% CI: 0.1–0.3%), 0.2% in Palestine (range: 0–9.0%; 95% CI: 0.2–0.3%), and 0.4% in Syria (range: 0.3–0.9%; 95% CI: 0.4–0.5%). Among populations at high risk, HCV prevalence was estimated at 19.5% in Iraq (range: 0–67.3%; 95% CI: 14.9–24.5%), 37.0% in Jordan (range: 21–59.5%; 95% CI: 29.3–45.0%), 14.5% in Lebanon (range: 0–52.8%; 95% CI: 5.6–26.5%), and 47.4% in Syria (range: 21.0–75.0%; 95% CI: 32.5–62.5%). Genotypes 4 and 1 appear to be the dominant circulating strains.</p><p>Conclusions</p><p>HCV prevalence in the population at large appears to be below 1%, lower than that in other MENA sub-regions, and tending towards the lower end of the global range. However, there is evidence for ongoing HCV transmission within medical facilities and among people who inject drugs (PWID). Migration dynamics appear to have played a role in determining the circulating genotypes. HCV prevention efforts should be targeted, and focus on infection control in clinical settings and harm reduction among PWID.</p></div>", "links"=>[], "tags"=>["risk population groups.ResultsWe", "Fertile Crescent", "HCV prevalence", "mena", "pwid", "prisma", "Hepatitis C virus", "ci", "Fertile Crescent region", "HCV prevention efforts", "jordan", "HCV incidence", "240 HCV prevalence measures"], "article_id"=>1516753, "categories"=>["Biological Sciences"], "users"=>["Hiam Chemaitelly", "Karima Chaabna", "Laith J. Abu-Raddad"], "doi"=>["https://dx.doi.org/10.1371/journal.pone.0135281.s001", "https://dx.doi.org/10.1371/journal.pone.0135281.s002", "https://dx.doi.org/10.1371/journal.pone.0135281.s003", "https://dx.doi.org/10.1371/journal.pone.0135281.s004", "https://dx.doi.org/10.1371/journal.pone.0135281.s005", "https://dx.doi.org/10.1371/journal.pone.0135281.s006", "https://dx.doi.org/10.1371/journal.pone.0135281.s007", "https://dx.doi.org/10.1371/journal.pone.0135281.s008", "https://dx.doi.org/10.1371/journal.pone.0135281.s009", "https://dx.doi.org/10.1371/journal.pone.0135281.s010", "https://dx.doi.org/10.1371/journal.pone.0135281.s011", "https://dx.doi.org/10.1371/journal.pone.0135281.s012", "https://dx.doi.org/10.1371/journal.pone.0135281.s013", "https://dx.doi.org/10.1371/journal.pone.0135281.s014", "https://dx.doi.org/10.1371/journal.pone.0135281.s015", "https://dx.doi.org/10.1371/journal.pone.0135281.s016", "https://dx.doi.org/10.1371/journal.pone.0135281.s017"], "stats"=>{"downloads"=>30, "page_views"=>7, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_The_Epidemiology_of_Hepatitis_C_Virus_in_the_Fertile_Crescent_Systematic_Review_and_Meta_Analysis_/1516753", "title"=>"The Epidemiology of Hepatitis C Virus in the Fertile Crescent: Systematic Review and Meta-Analysis", "pos_in_sequence"=>0, "defined_type"=>4, "published_date"=>"2015-08-21 03:50:21"}
  • {"files"=>["https://ndownloader.figshare.com/files/2220581"], "description"=>"<p>*Q: the Cochran’s Q statistic is a measure assessing the existence of heterogeneity in effect size.</p><p>**<i>τ</i><sup>2</sup>: the estimated between-study variance in the double arcsine transformed proportions of the true effect sizes. The back-transformed <i>τ</i><sup>2</sup> was not calculated as the methodology to do so is not currently available.</p><p><sup>†</sup>I<sup>2</sup>: a measure assessing the magnitude of between-study variation that is due to differences in effect size across studies rather than chance.</p><p><sup>‡</sup>Prediction interval: estimates the 95% interval in which the true effect size in a new HCV study will lie.</p><p>Pooled mean estimates for hepatitis C virus (HCV) prevalence stratified by populations’ risk of infection across countries of the Fertile Crescent.</p>", "links"=>[], "tags"=>["risk population groups.ResultsWe", "Fertile Crescent", "HCV prevalence", "mena", "pwid", "prisma", "Hepatitis C virus", "ci", "Fertile Crescent region", "HCV prevention efforts", "jordan", "HCV incidence", "240 HCV prevalence measures"], "article_id"=>1516746, "categories"=>["Biological Sciences"], "users"=>["Hiam Chemaitelly", "Karima Chaabna", "Laith J. Abu-Raddad"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0135281.t004", "stats"=>{"downloads"=>0, "page_views"=>10, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Pooled_mean_estimates_for_hepatitis_C_virus_HCV_prevalence_stratified_by_populations_8217_risk_of_infection_across_countries_of_the_Fertile_Crescent_/1516746", "title"=>"Pooled mean estimates for hepatitis C virus (HCV) prevalence stratified by populations’ risk of infection across countries of the Fertile Crescent.", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2015-08-21 03:50:21"}

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{"start_date"=>"2015-01-01T00:00:00Z", "end_date"=>"2015-12-31T00:00:00Z", "subject_areas"=>[]}
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