INS and retinal disorder: As for microalbuminuria the insulin needs were lower in patients with retinopathy as compared to those without retinopathy, both when expressed as total insulin doses (45 ± 2 versus 53 ± 4 U/24 h, p < 0.05) and when corrected for body weight (0.58 ± 0.02 versus 0.78 ± 0.06 U × 24 h−1  × kg−1, p < 0.001).