Publication bias may exist among prognostic accuracy studies of middle cerebral artery Doppler ultrasound

AbstractObjectivesThe objective of this study was to assess if there is evidence of publication bias in prognostic accuracy studies of middle cerebral artery (MCA) or cerebroplacental ratio (CPR) for adverse perinatal outcome. Study Design and SettingWe queried PubMed, EMBASE, the Cochrane Library,...

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Veröffentlicht in:Journal of clinical epidemiology 2019-12, Vol.116, p.1-8
Hauptverfasser: Vollgraff Heidweiller-Schreurs, Charlotte A, Korevaar, Daniël A, Mol, Ben Willem J, Bax, Caroline J, de Groot, Christianne J.M, de Boer, Marjon A, Bossuyt, Patrick M.M
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container_title Journal of clinical epidemiology
container_volume 116
creator Vollgraff Heidweiller-Schreurs, Charlotte A
Korevaar, Daniël A
Mol, Ben Willem J
Bax, Caroline J
de Groot, Christianne J.M
de Boer, Marjon A
Bossuyt, Patrick M.M
description AbstractObjectivesThe objective of this study was to assess if there is evidence of publication bias in prognostic accuracy studies of middle cerebral artery (MCA) or cerebroplacental ratio (CPR) for adverse perinatal outcome. Study Design and SettingWe queried PubMed, EMBASE, the Cochrane Library, and ClinicalTrials.gov and searched abstract books of five perinatal conferences (1989–2017). We included prognostic accuracy studies on MCA and/or CPR. Highest reported accuracy estimates, sample size, study design, and conclusion positivity were extracted and compared. ResultsWe included 127 full-text articles and 51 conference abstracts, 29 of which had not been reported as full-text article. In conference abstracts not reported in full, median negative predictive value was significantly lower compared to full-text articles (0.79 [interquartile range 0.67–0.97] vs. 0.95 [0.89–0.99]; P 
doi_str_mv 10.1016/j.jclinepi.2019.07.016
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Study Design and SettingWe queried PubMed, EMBASE, the Cochrane Library, and ClinicalTrials.gov and searched abstract books of five perinatal conferences (1989–2017). We included prognostic accuracy studies on MCA and/or CPR. Highest reported accuracy estimates, sample size, study design, and conclusion positivity were extracted and compared. ResultsWe included 127 full-text articles and 51 conference abstracts, 29 of which had not been reported as full-text article. In conference abstracts not reported in full, median negative predictive value was significantly lower compared to full-text articles (0.79 [interquartile range 0.67–0.97] vs. 0.95 [0.89–0.99]; P &lt; 0.001). No significant difference was identified for positive predictive value (0.62 vs. 0.59; P = 0.827), sensitivity (0.67 vs. 0.71; P = 0.159), and specificity (0.86 vs. 0.86; P = 0.632). Study design differed significantly as well ( P = 0.030), with fewer prospective studies in conference abstracts not reported in full compared to full-text articles (28% vs. 54%). We found no significant differences in sample size or conclusion positivity. ConclusionPossibly, a publication bias in previously published meta-analyses of MCA and CPR has led to overly generous estimates of prognostic performance.</description><identifier>ISSN: 0895-4356</identifier><identifier>EISSN: 1878-5921</identifier><identifier>DOI: 10.1016/j.jclinepi.2019.07.016</identifier><identifier>PMID: 31374330</identifier><language>eng</language><publisher>United States: Elsevier Inc</publisher><subject>Accuracy ; Bias ; Brain research ; Cerebroplacental ratio ; Design ; Doppler ; Doppler effect ; Epidemiology ; Estimates ; Female ; Fetal growth restriction ; Humans ; Internal Medicine ; Medical prognosis ; Medical tests ; Meta-analysis ; Middle cerebral artery ; Middle Cerebral Artery - diagnostic imaging ; Obstetrics ; Pregnancy ; Pregnancy Outcome - epidemiology ; Prognosis ; Prognostic accuracy ; Prospective Studies ; Publication bias ; Publication Bias - statistics &amp; numerical data ; Reproducibility of Results ; Research Design ; Selective reporting ; Studies ; Systematic review ; Systematic reviews ; Ultrasonic imaging ; Ultrasonography, Doppler - methods ; Ultrasound ; Writing</subject><ispartof>Journal of clinical epidemiology, 2019-12, Vol.116, p.1-8</ispartof><rights>Elsevier Inc.</rights><rights>2019 Elsevier Inc.</rights><rights>Copyright © 2019 Elsevier Inc. 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Elsevier Inc.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c451t-df7e00e0392fbbb6ded57cc02b026847c0c9ae11993e8d88860360cae70a9c1f3</citedby><cites>FETCH-LOGICAL-c451t-df7e00e0392fbbb6ded57cc02b026847c0c9ae11993e8d88860360cae70a9c1f3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0895435619303749$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65534</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/31374330$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Vollgraff Heidweiller-Schreurs, Charlotte A</creatorcontrib><creatorcontrib>Korevaar, Daniël A</creatorcontrib><creatorcontrib>Mol, Ben Willem J</creatorcontrib><creatorcontrib>Bax, Caroline J</creatorcontrib><creatorcontrib>de Groot, Christianne J.M</creatorcontrib><creatorcontrib>de Boer, Marjon A</creatorcontrib><creatorcontrib>Bossuyt, Patrick M.M</creatorcontrib><title>Publication bias may exist among prognostic accuracy studies of middle cerebral artery Doppler ultrasound</title><title>Journal of clinical epidemiology</title><addtitle>J Clin Epidemiol</addtitle><description>AbstractObjectivesThe objective of this study was to assess if there is evidence of publication bias in prognostic accuracy studies of middle cerebral artery (MCA) or cerebroplacental ratio (CPR) for adverse perinatal outcome. Study Design and SettingWe queried PubMed, EMBASE, the Cochrane Library, and ClinicalTrials.gov and searched abstract books of five perinatal conferences (1989–2017). We included prognostic accuracy studies on MCA and/or CPR. Highest reported accuracy estimates, sample size, study design, and conclusion positivity were extracted and compared. ResultsWe included 127 full-text articles and 51 conference abstracts, 29 of which had not been reported as full-text article. In conference abstracts not reported in full, median negative predictive value was significantly lower compared to full-text articles (0.79 [interquartile range 0.67–0.97] vs. 0.95 [0.89–0.99]; P &lt; 0.001). No significant difference was identified for positive predictive value (0.62 vs. 0.59; P = 0.827), sensitivity (0.67 vs. 0.71; P = 0.159), and specificity (0.86 vs. 0.86; P = 0.632). Study design differed significantly as well ( P = 0.030), with fewer prospective studies in conference abstracts not reported in full compared to full-text articles (28% vs. 54%). We found no significant differences in sample size or conclusion positivity. ConclusionPossibly, a publication bias in previously published meta-analyses of MCA and CPR has led to overly generous estimates of prognostic performance.</description><subject>Accuracy</subject><subject>Bias</subject><subject>Brain research</subject><subject>Cerebroplacental ratio</subject><subject>Design</subject><subject>Doppler</subject><subject>Doppler effect</subject><subject>Epidemiology</subject><subject>Estimates</subject><subject>Female</subject><subject>Fetal growth restriction</subject><subject>Humans</subject><subject>Internal Medicine</subject><subject>Medical prognosis</subject><subject>Medical tests</subject><subject>Meta-analysis</subject><subject>Middle cerebral artery</subject><subject>Middle Cerebral Artery - diagnostic imaging</subject><subject>Obstetrics</subject><subject>Pregnancy</subject><subject>Pregnancy Outcome - epidemiology</subject><subject>Prognosis</subject><subject>Prognostic accuracy</subject><subject>Prospective Studies</subject><subject>Publication bias</subject><subject>Publication Bias - statistics &amp; numerical data</subject><subject>Reproducibility of Results</subject><subject>Research Design</subject><subject>Selective reporting</subject><subject>Studies</subject><subject>Systematic review</subject><subject>Systematic reviews</subject><subject>Ultrasonic imaging</subject><subject>Ultrasonography, Doppler - methods</subject><subject>Ultrasound</subject><subject>Writing</subject><issn>0895-4356</issn><issn>1878-5921</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>8G5</sourceid><sourceid>BENPR</sourceid><sourceid>GUQSH</sourceid><sourceid>M2O</sourceid><recordid>eNqFks1u1TAQhS0EoreFV6gssWGTMLaTON4gUIGCVAkkYG059qRySOKLnSDy9ji6bRfdsBpp9M2ZnzOEXDIoGbDmzVAOdvQzHn3JgakSZJnTT8iBtbItasXZU3KAVtVFJermjJynNAAwCbJ-Ts4EE7ISAg7Ef1u70Vuz-DDTzptEJ7NR_OvTQs0U5lt6jOF2Dmnxlhpr12jsRtOyOo-Jhp5O3rkRqcWIXTQjNXHBuNEP4XgcMdJ1XKJJYZ3dC_KsN2PCl3fxgvz89PHH1efi5uv1l6v3N4WtarYUrpcIgCAU77uuaxy6WloLvAPetJW0YJVBxpQS2Lq2bRsQDViDEoyyrBcX5PVJNw_-e8W06Mkni-NoZgxr0jzLCMZELTP66hE6hDXOeTrNBVOSc8mqTDUnysaQUsReH6OfTNw0A72boQd9b4bezdAgdU7nwss7-bWb0D2U3V8_A-9OAOZ7_PEYdbIeZ4vOR7SLdsH_v8fbRxI7lQ0df-GG6WEfphPXoL_vL7F_BFO5v6yU-AfGUbSv</recordid><startdate>20191201</startdate><enddate>20191201</enddate><creator>Vollgraff Heidweiller-Schreurs, Charlotte A</creator><creator>Korevaar, Daniël A</creator><creator>Mol, Ben Willem J</creator><creator>Bax, Caroline J</creator><creator>de Groot, Christianne J.M</creator><creator>de Boer, Marjon A</creator><creator>Bossuyt, Patrick M.M</creator><general>Elsevier Inc</general><general>Elsevier Limited</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7QL</scope><scope>7QP</scope><scope>7RV</scope><scope>7T2</scope><scope>7T7</scope><scope>7TK</scope><scope>7U7</scope><scope>7U9</scope><scope>7X7</scope><scope>7XB</scope><scope>88C</scope><scope>88E</scope><scope>8AO</scope><scope>8C1</scope><scope>8FD</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>8G5</scope><scope>ABUWG</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FR3</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>GUQSH</scope><scope>H94</scope><scope>K9.</scope><scope>KB0</scope><scope>M0S</scope><scope>M0T</scope><scope>M1P</scope><scope>M2O</scope><scope>M7N</scope><scope>MBDVC</scope><scope>NAPCQ</scope><scope>P64</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>Q9U</scope><scope>7X8</scope></search><sort><creationdate>20191201</creationdate><title>Publication bias may exist among prognostic accuracy studies of middle cerebral artery Doppler ultrasound</title><author>Vollgraff Heidweiller-Schreurs, Charlotte A ; 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Study Design and SettingWe queried PubMed, EMBASE, the Cochrane Library, and ClinicalTrials.gov and searched abstract books of five perinatal conferences (1989–2017). We included prognostic accuracy studies on MCA and/or CPR. Highest reported accuracy estimates, sample size, study design, and conclusion positivity were extracted and compared. ResultsWe included 127 full-text articles and 51 conference abstracts, 29 of which had not been reported as full-text article. In conference abstracts not reported in full, median negative predictive value was significantly lower compared to full-text articles (0.79 [interquartile range 0.67–0.97] vs. 0.95 [0.89–0.99]; P &lt; 0.001). No significant difference was identified for positive predictive value (0.62 vs. 0.59; P = 0.827), sensitivity (0.67 vs. 0.71; P = 0.159), and specificity (0.86 vs. 0.86; P = 0.632). Study design differed significantly as well ( P = 0.030), with fewer prospective studies in conference abstracts not reported in full compared to full-text articles (28% vs. 54%). We found no significant differences in sample size or conclusion positivity. ConclusionPossibly, a publication bias in previously published meta-analyses of MCA and CPR has led to overly generous estimates of prognostic performance.</abstract><cop>United States</cop><pub>Elsevier Inc</pub><pmid>31374330</pmid><doi>10.1016/j.jclinepi.2019.07.016</doi><tpages>8</tpages></addata></record>
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source MEDLINE; Elsevier ScienceDirect Journals
subjects Accuracy
Bias
Brain research
Cerebroplacental ratio
Design
Doppler
Doppler effect
Epidemiology
Estimates
Female
Fetal growth restriction
Humans
Internal Medicine
Medical prognosis
Medical tests
Meta-analysis
Middle cerebral artery
Middle Cerebral Artery - diagnostic imaging
Obstetrics
Pregnancy
Pregnancy Outcome - epidemiology
Prognosis
Prognostic accuracy
Prospective Studies
Publication bias
Publication Bias - statistics & numerical data
Reproducibility of Results
Research Design
Selective reporting
Studies
Systematic review
Systematic reviews
Ultrasonic imaging
Ultrasonography, Doppler - methods
Ultrasound
Writing
title Publication bias may exist among prognostic accuracy studies of middle cerebral artery Doppler ultrasound
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