Table 3 Individual comparisons of DR Severity Grades between groups With and Without Peripheral Retinal Vessel Whitening.

From: Peripheral retinal vessel whitening in patients with diabetes mellitus

 

Without peripheral retinal vessel whitening (n = 410 eyes)

With peripheral retinal vessel whitening (n = 35 eyes)

Proportion of Whitening

Odds Ratio

DR Severity Grading

No DR

266

11

4.0%

0.249

Mild NPDR

80

6

7.0%

0.854

Moderate NPDR

40

6

13.0%

1.910

Severe NPDR

8

4

33.3%

6.430

PDR

16

8

33.3%

7.232

  1. DR Diabetic retinopathy, NPDR Non-proliferative diabetic retinopathy, PDR Proliferative diabetic retinopathy.