Variables NPDR n=82
Mean ± SD or n(%)
PDR n=13
Mean ± SD or n(%)
P
Age (years) 56.1± 12.6 62.2± 6.1 0.04*
DM duration (years) 8.6±7.5 11.2±8.1 0.246
Sex      
Men 29(35.4) 4(30.8) 0.746
Women 53(64.6) 9(69.2)  
Metabolic syndrome 21(25.6) 7(53.8) 0.038*
Blindness 3(3.7) 3(23.1) 0.007*
Visual  impairment 17(20.7) 11(84.6) 0.0001*
Maculopathy 15(18.3) 5(38.5) 0.097
Cataract 39(47.6) 10(76.9) 0.049
Smoking 13(15.9) 4(30.8) 0.192
Alcohol intake 2(2.4) 0(0) 0.569
Table 3: Characteristics of cases of non proliferative diabetic retinopathy (NPDR) and cases of proliferative diabetic retinopathy (PDR).