To further inestigate, the researchers examined the association between seere hypoglycemia and smoking in 537 subjects in the Wisconsin Epidemiologic Study of Diabetic Retinopathy who took part in the last examination phase (2000 to 2001).

• 为了进一步研究，研究者们检测了从2000到2001参，与威斯康辛州糖尿病性视网膜病流行病学研究最后阶段的537受试者严重低血糖和吸烟的关联。