Critical Care Medicine

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Critical Care Medicine:
doi: 10.1097/CCM.0b013e318232d6c6
Clinical Investigations

Quality of reporting of surveys in critical care journals: A methodologic review*

Duffett, Mark MSc; Burns, Karen E. MD, MSc; Adhikari, Neill K. MDCM, MSc; Arnold, Donald M. MD, MSc; Lauzier, François MD, MSc; Kho, Michelle E. PT, PhD; Meade, Maureen O. MD, MSc; Hayani, Omar MD; Koo, Karen MD; Choong, Karen MD, MSc; Lamontagne, François MD, MSc; Zhou, Qi PhD; Cook, Deborah J. MD, MSc

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Objective: Adequate reporting is needed to judge methodologic quality and assess the risk of bias of surveys. The objective of this study is to describe the methodology and quality of reporting of surveys published in five critical care journals.

Data Sources: All issues (1996–2009) of the American Journal of Respiratory and Critical Care Medicine, Critical Care, Critical Care Medicine, Intensive Care Medicine, and Pediatric Critical Care Medicine.

Study Selection: Two reviewers hand-searched all issues in duplicate. We included publications of self-administered questionnaires of health professionals and excluded surveys that were part of a multi-method study or measured the effect of an intervention.

Data Extraction: Data were abstracted in duplicate.

Data Synthesis: We included 151 surveys. The frequency of survey publication increased at an average rate of 0.38 surveys per 1000 citations per year from 1996–2009 (p for trend = 0.001). The median number of respondents and reported response rates were 217 (interquartile range 90 to 402) and 63.3% (interquartile range 45.0% to 81.0%), respectively. Surveys originated predominantly from North America (United States [40.4%] and Canada [18.5%]). Surveys most frequently examined stated practice (78.8%), attitudes or opinions (60.3%), and less frequently knowledge (9.9%). The frequency of reporting on the survey design and methods were: 1) instrument development: domains (59.1%), item generation (33.1%), item reduction (12.6%); 2) instrument testing: pretesting or pilot testing (36.2%) and assessments of clarity (25.2%) or clinical sensibility (15.7%); and 3) clinimetric properties: qualitative or quantitative description of at least one of face, content, construct validity, intra- or inter-rater reliability, or consistency (28.5%). The reporting of five key elements of survey design and conduct did not significantly change over time.

Conclusions: Surveys, primarily conducted in North America and focused on self-reported practice, are increasingly published in highly cited critical care journals. More uniform and comprehensive reporting will facilitate assessment of methodologic quality.

© 2012 by the Society of Critical Care Medicine and Lippincott Williams & Wilkins

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