受试对象为空腹血糖≥ 6 .1m mol/L 以上者 ,进一步作口服葡萄糖耐量试验 (OGTT) ,诊断标准为口服 75 g葡萄糖 ,空腹血糖小于 7.8m mol/ L(为 1999年新标准下达前 )、服糖后两小时血糖7.8～ 11.0 mmol/ L列为观察对象 ,共10 8例。年龄 45岁～ 6 9岁 ,平均 49岁 ,男性 43例 ,女 The subjects were fasting blood glucose ≥ 6. 1m mol / L or more, and further oral glucose tolerance test (OGTT), the diagnostic criteria for oral 75 g glucose, fasting blood glucose less than 7.8m mol / L (1999 new standard before ), Two hours after taking sugar, blood glucose 7.8 ~ 11.0 mmol / L as the observation object, a total of 108 cases. Aged 45 years old to 69 years old, with an average of 49 years old, 43 males and females