The ARCHIVES has published 2 randomized trials of duct tape therapy for warts.1,2 A commentary3 regarding the most recent of these trials2 pointed out that confidence intervals for the size of the treatment effect were not given in the results. The commentary3 provided confidence intervals in a table, but these were intervals for the observed outcome proportions in each trial arm, not intervals for the estimated effect of treatment.
Cummings P. Studies Should Report Estimates of Treatment Effects With Confidence Intervals. Arch Pediatr Adolesc Med. 2007;161(5):518–519. doi:10.1001/archpedi.161.5.518
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