Quality of life scores between patients undergoing group and individual urotherapy at baseline differed ( mean SD 21.1 10.8 vs 31.0 14.3 , p < 0.01 , 95 % CI 2.7-7 .3 ) but became similar at followup ( 21.0 14.2 vs 20.1 15.3 , p = 0.84 , 95 % CI -9.4 -7.6 ) .