RESULTS	In ACTG 187 , the mean number of weeks to attain the target value , and the percentage of patients who attained the target , was group I ( 5-11 microM ) : 2.7 + / -2.4 weeks ( 92 % ) ; group II ( 12-21 microM ) : 2.6 + / -1.8 ( 64 % ) ; and group III ( 22-31 microM ) : 7.0 + / -5.6 weeks ( 27 % ) .\