Table 1 Demographic, clinical, OCT, topographic and color doppler parameter levels (Mean ± SE) of four groups

Age (yrs)

60.45 ± 1.43

60 ± 1.54

58.33 ± 2.32

63.89 ± 1.95

1.58

0.265

Sex

 Female

10 (36.4)

11 (40.9)

9 (28.0)

7 (22.7)

2.20

0.587

 Male

16 (63.6)

15 (59.1)

20 (72.0)

19 (77.3)

HbA1c (%)

5.41 ± 0.12

7.94 ± 0.21

8.50 ± 0.295

8.84 ± 0.167

55.87

<0.001

S. urea (mg/dl)

33.278 ± 0.854

38.078 ± 2.154

37.87 ± 0.978

39.84 ± 1.13

4.31

0.008

S. creatinine (mg/dl)

0.98 ± 0.02

1.16 ± 0.03

1.15 ± 0.03

1.64 ± 0.07

46.546

<0.001

VA (LogMAR)

0.089 ± 0.02

0.36 ± 0.14

0.76 ± 0.07

1.16 ± 0.02

109.76

<0.001

CST (μm)

246.91 ± 2.62

267.73 ± 4.37

308.72 ± 22.52

456.91 ± 19.36

37.21

<0.001

CAT (μm)

255.67 ± 1.08

273.44 ± 7.57

301.06 ± 9.37

371.26 ± 6.23

50.675

<0.001

RNFL (μm)

89.38 ± 0.33

85.57 ± 0.89

86.06 ± 0.92

72.35 ± 1.37

61.14

<0.001

EZ

 Disruption absent

26 (100.0)

23 (95.5)

24 (56.0)

0 (0.0)

60.66

<0.001

 Disruption present

0 (0.0)

3 (4.5)

5 (44.0)

26 (100.0)

RI-CRA

0.66 ± 0.01

0.77 ± 0.01

0.79 ± 0.02

0.987 ± 0.09

10.24

<0.001