In 15 days of treatment , the cured rate and the total effective rate in the group B were 67.3 % ( 35/52 ) and 96.2 % ( 50/52 ) , which were better than 9.5 % ( 2/21 ) and 85.7 % ( 18/21 ) in the group A , respectively ( P < 0.001 , P < 0.05 ) .