RESULTS	The percentage of patients with an excellent or good global cosmetic outcome at 3 years was 76.8 % in the short arm and 77.0 % in the long arm ; the corresponding data at 5 years were 76.8 % and 77.4 % , respectively ( absolute difference = -0.6 % , 95 % CI = -6.5 % to 5.5 % ) .\