Systematic reviewers commonly contact study authors but do so with limited rigor.

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Fältnamn	Indikatorer	Metadata
000		02936naa a2200445 4500
001		oai:DiVA.org:umu-32380
003		SwePub
008		100310s2009 \| \|\|\|\|\|\|\|\|\|\|\|000 \|\|eng\|
024	7	a https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-323802 URI
024	7	a https://doi.org/10.1016/j.jclinepi.2008.08.0022 DOI
040		a (SwePub)umu
041		a engb eng
042		9 SwePub
072	7	a ref2 swepub-contenttype
072	7	a art2 swepub-publicationtype
100	1	a Mullan, Rebecca J4 aut
245	1 0	a Systematic reviewers commonly contact study authors but do so with limited rigor.
264	1	b Elsevier BV,c 2009
338		a print2 rdacarrier
520		a OBJECTIVES: Author contact can enhance the quality of systematic reviews. We conducted a systematic review of the practice of author contact in recently published systematic reviews to characterize its prevalence, quality, and results. STUDY DESIGN AND SETTING: Eligible studies were systematic reviews of efficacy published in 2005-2006 in the 25 journals with the highest impact factor publishing systematic reviews in clinical medicine and the Cochrane Library, identified by searching MEDLINE, EMBASE, and the Cochrane Library. Two researchers determined whether and why reviewers contacted authors. To assess the accuracy of the abstracted data, we surveyed reviewers by e-mail. RESULTS: Forty-six (50%) of the 93 eligible systematic reviews published in top journals and 46 (85%) of the 54 eligible Cochrane reviews reported contacting authors of eligible studies. Requests were made most commonly for missing information: 40 (76%) clinical medicine reviews and 45 (98%) Cochrane reviews. One hundred and nine of 147 (74%) reviewers responded to the survey, and reported a higher rate of author contact than apparent from the published record. CONCLUSION: Although common, author contact is not a universal feature of systematic reviews published in top journals and the Cochrane Library. The conduct and reporting of author contact purpose, procedures, and results require improvement.
653		a Systematic review
653		a Meta-analysis
653		a Methodology
653		a Author contact
653		a Bias
653		a Cochrane Collaboration
653		a MEDICINE
653		a MEDICIN
700	1	a Flynn, David N4 aut
700	1	a Carlberg, Bou Umeå universitet,Medicin4 aut0 (Swepub:umu)boca0001
700	1	a Tleyjeh, Imad M4 aut
700	1	a Kamath, Celia C4 aut
700	1	a LaBella, Matthew L4 aut
700	1	a Erwin, Patricia J4 aut
700	1	a Guyatt, Gordon H4 aut
700	1	a Montori, Victor M4 aut
710	2	a Umeå universitetb Medicin4 org
773	0	t Journal of Clinical Epidemiologyd : Elsevier BVg 62:2, s. 138-142q 62:2<138-142x 0895-4356x 1878-5921
856	4 8	u https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-32380
856	4 8	u https://doi.org/10.1016/j.jclinepi.2008.08.002

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Av författaren/redakt...: Mullan, Rebecca ...; Flynn, David N; Carlberg, Bo; Tleyjeh, Imad M; Kamath, Celia C; LaBella, Matthew ...; visa fler...; Erwin, Patricia ...; Guyatt, Gordon H; Montori, Victor ...; visa färre...

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