Patients whose visual acuity (VA) before surgery was< 6/60 in the better eye comprised 47% of the total case mix in poorly developed countries and 1% in developed countries (P < 0.001).

不发达国家中，手术前较好眼睛的视力低于6/60的患者占总病例组合的47%，而在发达国家中此比例仅为1%（P<0.001）。

There were statistical significance of percentage between over much protein or fat and heat energy abundance in poorly-controlled group(P<0.01).

在血糖控制较差组，脂类、蛋白质摄入过多率与热量摄入过多率相比亦有统计学意义（P<0.01）。