Table 4: Effect of some variables on diabetic retinopathy of diabetic patients attending diabetes clinic in 2011

* P value significance <0.05
R0= no retinopathy
R1= mild/moderated non-proliferative retinopathy
R2=severe non-proliferative retinopathy
R3= proliferative retinopathy

MO= no maculopathy
M1= maculopathy