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Table 1 Characteristics of published comments on the Cochrane risk of bias tool for randomized clinical trials—evaluation of the Cochrane tool for assessing risk of bias in randomized clinical trials

From: Evaluation of the Cochrane tool for assessing risk of bias in randomized clinical trials: overview of published comments and analysis of user practice in Cochrane and non-Cochrane reviews

Publication characteristics Number of comments: 68 (100 %)
Publication category  
 Majora 15 (22 %)
 Minorb 53 (78 %)
Publication type  
 Comment/editorial/letterc 6 (9 %)
 Survey/qualitative case study 33 (49 %)
 Experimental/observational study 23 (33 %)
 Other 6 (9 %)
Tool version considered/applied  
 2011 54 (79 %)
 2008 6 (9 %)
 Not specified 8 (12 %)
Year of publication  
 2008–2010 9 (13 %)
 2011 10 (15 %)
 2012 8 (12 %)
 2013 14 (20 %)
 2014 27 (40 %)
  1. aMajor comments were defined as longer comments with a substantial reflection (typically ≥100 words of text) on the strengths or challenges of the Cochrane risk of bias tool for randomized clinical trials (i.e. the tool)
  2. bMinor comments were defined as shorter comments without a substantial reflection (typically ≤100 words of text) on the strengths or challenges of the tool.
  3. cComments, editorials and letters (to the editor) were defined as such if self-declared