A Cross-Sectional Study of Individuals Seeking Information on Transient Ischemic Attack and Stroke Symptoms Online: A Target for Intervention?
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{"title"=>"A Cross-Sectional Study of Individuals Seeking Information on Transient Ischemic Attack and Stroke Symptoms Online: A Target for Intervention?", "type"=>"journal", "authors"=>[{"first_name"=>"Anthony S.", "last_name"=>"Kim", "scopus_author_id"=>"36198403300"}, {"first_name"=>"Sharon N.", "last_name"=>"Poisson", "scopus_author_id"=>"26325020500"}, {"first_name"=>"J. Donald", "last_name"=>"Easton", "scopus_author_id"=>"56864035400"}, {"first_name"=>"S. Claiborne", "last_name"=>"Johnston", "scopus_author_id"=>"23497260700"}], "year"=>2012, "source"=>"PLoS ONE", "identifiers"=>{"sgr"=>"84868271071", "pui"=>"365972063", "scopus"=>"2-s2.0-84868271071", "doi"=>"10.1371/journal.pone.0047997", "pmid"=>"23118919", "isbn"=>"1932-6203", "issn"=>"19326203"}, "id"=>"be45b194-1510-33f3-8472-f30454fcbd43", "abstract"=>"BACKGROUND: Individuals with TIA/stroke symptoms often do not seek urgent medical attention. We assessed the feasibility of identifying individuals searching for information on TIA/stroke symptoms online as a target for future interventions to encourage urgent evaluation and we evaluated the performance of a self-reported risk score to identify subjects with true TIA or stroke.\\n\\nMETHODOLOGY/PRINCIPAL FINDINGS: We placed online advertisements to target English-speaking adults in the United States searching for TIA/stroke-related keywords. After completing an online questionnaire, participants were telephoned by a vascular neurologist to assess the likelihood of TIA/stroke. We used logistic regression and the c-statistic to assess associations and model discrimination respectively. Over 122 days, 251 (1%) of 25,292 website visitors completed the online questionnaire and 175 were reached by telephone (mean age 58.5 years; 63% women) for follow-up. Of these participants, 37 (21%) had symptoms within 24 hours, 60 (34%) had not had a medical evaluation yet, and 68 (39%) had TIA/stroke. Applying a modified ABCD(2) score yielded a c-statistic of 0.66, but 2 of 12 with a zero score had a TIA/stroke. Those with new symptoms were more likely to have TIA/stroke (OR 4.90, 95% CI 2.56-9.09).\\n\\nCONCLUSIONS/SIGNIFICANCE: Individuals with TIA/stroke that are seeking real-time information on symptoms online can be readily identified, in some cases before they have sought formal medical evaluation. Although a simple self-reported risk score was unable to identify a low-risk population in this selected group, this population may still present an attractive target for future interventions designed to encourage urgent medical evaluation.", "link"=>"http://www.mendeley.com/research/crosssectional-study-individuals-seeking-information-transient-ischemic-attack-stroke-symptoms-onlin", "reader_count"=>12, "reader_count_by_academic_status"=>{"Professor > Associate Professor"=>1, "Librarian"=>1, "Student > Doctoral Student"=>5, "Researcher"=>2, "Other"=>1, "Lecturer"=>1, "Student > Postgraduate"=>1}, "reader_count_by_user_role"=>{"Professor > Associate Professor"=>1, "Librarian"=>1, "Student > Doctoral Student"=>5, "Researcher"=>2, "Other"=>1, "Lecturer"=>1, "Student > Postgraduate"=>1}, "reader_count_by_subject_area"=>{"Agricultural and Biological Sciences"=>3, "Medicine and Dentistry"=>4, "Physics and Astronomy"=>1, "Social Sciences"=>1, "Computer Science"=>3}, "reader_count_by_subdiscipline"=>{"Medicine and Dentistry"=>{"Medicine and Dentistry"=>4}, "Social Sciences"=>{"Social Sciences"=>1}, "Physics and Astronomy"=>{"Physics and Astronomy"=>1}, "Agricultural and Biological Sciences"=>{"Agricultural and Biological Sciences"=>3}, "Computer Science"=>{"Computer Science"=>3}}, "reader_count_by_country"=>{"Canada"=>1, "United States"=>2, "United Kingdom"=>1}, "group_count"=>1}

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Figshare

  • {"files"=>["https://ndownloader.figshare.com/files/550635"], "description"=>"*<p>n = 170; † n = 168; ‡ ABCD<sup>2</sup> score: age > = 60 = 1 point; Clinical Features: Speech Disturbance without weakness = 1 point, Unilateral Weakness = 2 points; Duration: 10–59 minutes = 1 point, >60 minutes = 2 points; Diabetes = 1 point. The blood pressure item was excluded since this was not likely to be available by self-report.</p>", "links"=>[], "tags"=>["175", "users", "seeking", "transient", "ischemic", "mini-stroke"], "article_id"=>221120, "categories"=>["Neuroscience", "Medicine", "Biotechnology"], "users"=>["Anthony S. Kim", "Sharon N. Poisson", "J. Donald Easton", "S. Claiborne Johnston"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0047997.t001", "stats"=>{"downloads"=>1, "page_views"=>3, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Characteristics_of_175_users_seeking_information_on_Transient_Ischemic_Attack_or_Mini_Stroke_Online_/221120", "title"=>"Characteristics of 175 users seeking information on Transient Ischemic Attack or Mini-Stroke Online.", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2012-10-31 00:18:40"}
  • {"files"=>["https://ndownloader.figshare.com/files/294048", "https://ndownloader.figshare.com/files/294094", "https://ndownloader.figshare.com/files/294149", "https://ndownloader.figshare.com/files/294223"], "description"=>"<div><h3>Background</h3><p>Individuals with TIA/stroke symptoms often do not seek urgent medical attention. We assessed the feasibility of identifying individuals searching for information on TIA/stroke symptoms online as a target for future interventions to encourage urgent evaluation and we evaluated the performance of a self-reported risk score to identify subjects with true TIA or stroke.</p> <h3>Methodology/Principal Findings</h3><p>We placed online advertisements to target English-speaking adults in the United States searching for TIA/stroke-related keywords. After completing an online questionnaire, participants were telephoned by a vascular neurologist to assess the likelihood of TIA/stroke. We used logistic regression and the c-statistic to assess associations and model discrimination respectively. Over 122 days, 251 (1%) of 25,292 website visitors completed the online questionnaire and 175 were reached by telephone (mean age 58.5 years; 63% women) for follow-up. Of these participants, 37 (21%) had symptoms within 24 hours, 60 (34%) had not had a medical evaluation yet, and 68 (39%) had TIA/stroke. Applying a modified ABCD<sup>2</sup> score yielded a c-statistic of 0.66, but 2 of 12 with a zero score had a TIA/stroke. Those with new symptoms were more likely to have TIA/stroke (OR 4.90, 95% CI 2.56−9.09).</p> <h3>Conclusions/Significance</h3><p>Individuals with TIA/stroke that are seeking real-time information on symptoms online can be readily identified, in some cases before they have sought formal medical evaluation. Although a simple self-reported risk score was unable to identify a low-risk population in this selected group, this population may still present an attractive target for future interventions designed to encourage urgent medical evaluation.</p> </div>", "links"=>[], "tags"=>["cross-sectional", "individuals", "seeking", "transient", "ischemic", "symptoms"], "article_id"=>117893, "categories"=>["Neuroscience", "Medicine", "Biotechnology"], "users"=>["Anthony S. Kim", "Sharon N. Poisson", "J. Donald Easton", "S. Claiborne Johnston"], "doi"=>["https://dx.doi.org/10.1371/journal.pone.0047997.s001", "https://dx.doi.org/10.1371/journal.pone.0047997.s002", "https://dx.doi.org/10.1371/journal.pone.0047997.s003", "https://dx.doi.org/10.1371/journal.pone.0047997.s004"], "stats"=>{"downloads"=>5, "page_views"=>23, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/A_Cross_Sectional_Study_of_Individuals_Seeking_Information_on_Transient_Ischemic_Attack_and_Stroke_Symptoms_Online_A_Target_for_Intervention__/117893", "title"=>"A Cross-Sectional Study of Individuals Seeking Information on Transient Ischemic Attack and Stroke Symptoms Online: A Target for Intervention?", "pos_in_sequence"=>0, "defined_type"=>4, "published_date"=>"2012-10-31 02:11:33"}
  • {"files"=>["https://ndownloader.figshare.com/files/550543"], "description"=>"<p>A modified ABCD<sup>2</sup> score was calculated from self-reported components of the score (age > = 60 = 1 point; Clinical Features: Speech Disturbance without weakness = 1 point, Unilateral Weakness = 2 points; Duration: 10–59 minutes = 1 point, >60 minutes = 2 points; Diabetes = 1 point). The blood pressure item was excluded since this was not likely to be available by self-report, so the range of this risk score was 0 to 6. The grey bars show the proportion observed and the black vertical lines represent the 95% confidence interval around that proportion. The one enrollee with a score of 6 had migraine.</p>", "links"=>[], "tags"=>["transient", "ischemic", "self-reported"], "article_id"=>221035, "categories"=>["Neuroscience", "Medicine", "Biotechnology"], "users"=>["Anthony S. Kim", "Sharon N. Poisson", "J. Donald Easton", "S. Claiborne Johnston"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0047997.g001", "stats"=>{"downloads"=>0, "page_views"=>8, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Percent_of_participants_with_transient_ischemic_attack_or_stroke_by_self_reported_ABCD_2_score_/221035", "title"=>"Percent of participants with transient ischemic attack or stroke by self-reported ABCD<sup>2</sup> score.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2012-10-31 00:17:15"}
  • {"files"=>["https://ndownloader.figshare.com/files/550721"], "description"=>"<p>Components of the ABCD<sup>2</sup> score excluding acute blood pressure are included in Model 1. Model 2 adds the number of previous episodes of similar symptoms in the past year.</p>", "links"=>[], "tags"=>["predictors", "175", "users", "searching", "transient", "ischemic", "mini-stroke", "symptoms"], "article_id"=>221208, "categories"=>["Neuroscience", "Medicine", "Biotechnology"], "users"=>["Anthony S. Kim", "Sharon N. Poisson", "J. Donald Easton", "S. Claiborne Johnston"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0047997.t003", "stats"=>{"downloads"=>0, "page_views"=>5, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Multivariable_Predictors_of_TIA_Stroke_Diagnosis_Among_175_Users_Searching_for_Information_on_Transient_Ischemic_Attack_or_Mini_Stroke_Symptoms_Online_/221208", "title"=>"Multivariable Predictors of TIA/Stroke Diagnosis Among 175 Users Searching for Information on Transient Ischemic Attack or Mini-Stroke Symptoms Online.", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2012-10-31 00:20:08"}
  • {"files"=>["https://ndownloader.figshare.com/files/550676"], "description"=>"<p>Univariable Predictors of Cerebrovascular Outcomes Among 175 Users Searching for Information on Transient Ischemic Attack and Mini-Stroke Online.</p>", "links"=>[], "tags"=>["predictors", "cerebrovascular", "outcomes", "175", "users", "searching", "transient", "ischemic", "mini-stroke"], "article_id"=>221165, "categories"=>["Neuroscience", "Medicine", "Biotechnology"], "users"=>["Anthony S. Kim", "Sharon N. Poisson", "J. Donald Easton", "S. Claiborne Johnston"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0047997.t002", "stats"=>{"downloads"=>1, "page_views"=>4, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Univariable_Predictors_of_Cerebrovascular_Outcomes_Among_175_Users_Searching_for_Information_on_Transient_Ischemic_Attack_and_Mini_Stroke_Online_/221165", "title"=>"Univariable Predictors of Cerebrovascular Outcomes Among 175 Users Searching for Information on Transient Ischemic Attack and Mini-Stroke Online.", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2012-10-31 00:19:25"}

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Relative Metric

{"start_date"=>"2012-01-01T00:00:00Z", "end_date"=>"2012-12-31T00:00:00Z", "subject_areas"=>[{"subject_area"=>"/Engineering and technology", "average_usage"=>[308, 500, 607, 700, 782, 876, 957, 1039, 1128, 1214, 1290, 1365, 1431, 1496, 1560, 1634, 1695, 1772, 1839, 1908, 1972, 2043, 2106, 2179, 2246]}, {"subject_area"=>"/Engineering and technology/Equipment", "average_usage"=>[287, 503, 624, 723, 827, 914, 1011, 1099, 1192, 1281, 1347, 1414, 1488, 1557, 1615, 1679, 1729, 1787, 1858, 1934, 1993, 2069, 2149, 2195, 2271]}]}
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