Of the three 40 cases in the acupuncture , NSES and combined treatment groups , 16 , 18 and 27 were basically cured , 2 , 3 and 5 experienced marked improvement , 15 , 13 and 7 were improved , and 7 , 6 and 1 failed in the treatment , with the effective rates being 82.5 % , 85.0 % and 97.5 % , respectively .