CCR rates.

†CCR rate defined as 100% re-epithelialization of the index lesion by day 50, or a >50% reepithelialization of the index lesion by day 50 followed by complete reepithelialization on or before day 90, with no relapse ever having occurred from day 50 through day 90. *Fisher's exact test comparing the polyurethane group to the gauze-and-tape group. ‡Fisher's exact test comparing the polyurethane group in the current trial to the polyurethane group in the predecessor trial.