The highest daily urinary excretion of 17-ketosteroids of the Chinese of both sexes are at 25 years of age,the mean value for males is 14.46 mg/24hr,and that of females is 12.05 mg/24 hr.

• 二)中国人17-酮类固醇排量最高年龄在25岁左右；男性最高排量平均值为14.；46毫克/24小时；女性最高排量平均值为12