Table 1 Demographic characteristics of normal subjects and subtypes of diabetic retinopathy (N = 188)

Age (Y)

50 ± 0.72

59.28 ± 1.02

58.31 ± 1.14

59.03 ± 1.68

0.003

(%) OD

20 (50)

19 (48.7)

33 (51.6)

25 (55.6)

0.929

Sex-male (%)

24 (60)

15 (38.5)

25 (39.1)

20 (44.4)

0.156

BCVA (decimal)

0.93 ± 0.01

0.84 ± 0.02

0.65 ± 0.02

0.62 ± 0.04

< 0.001

The last FBS (mg/dl)

–

158.46 ± 5.72

189.78 ± 8.38

202.12 ± 7.30

< 0.001

Duration of diabetes mellitus (Y)

–

12.38 ± 1.02

12.96 ± 0.78

16.54 ± 1.1

< 0.001

Hypertension number (%)

2 (5%)

16 (41%)

27 (42%)

17 (51.5%)

< 0.001

Hyperlipidemia number (%)

0 (5%)

15 (38.5%)

32 (50%)

16 48.5%)

< 0.001