Corrections
===========


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).

![Figure1](http://www.cmaj.ca/https://www.cmaj.ca/content/cmaj/170/7/1082.1/F1.medium.gif)

[Figure1](http://www.cmaj.ca/content/170/7/1082.1/F1)

**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](http://www.cmaj.ca)**).**

## Reference

1.  1.Schünemann HJ, Best D, Vist G, Oxman AD, for the GRADE Working Group. Letters, numbers, symbols and words: how to communicate grades of evidence and recommendations [editorial]. *CMAJ* 2003;169(7):677-80.