In an article by Holger J. Schünemann and colleagues on ways of presenting grades of evidence and recommendations,1 incorrect symbols appeared in the right-most column of Fig. 1 under the heading Multiple. The symbols representing human figures should have been plain circles (as shown here).
Fig. 1: Examples of possible symbols for representing quality of evidence and the balance between benefits and harm in health care recommendations. See Tables 1 and 2 on the CMAJ Web site for selection criteria (see www.cmaj.ca).
Reference
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