After the treatment , of the 42 and 43 cases in the control and treatment groups , 9 ( 21.43 % ) and 20 ( 46.51 % ) were cured , 12 ( 28.57 % ) and 14 ( 32.56 % ) had a marked improvement , 13 ( 30.95 % ) and 7 ( 16.28 % ) were effective , 8 ( 19.05 % ) and 2 ( 4.65 % ) invalid , with the effective rates being 80.95 % and 95.35 % , respectively .