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Table 1 Clinical characteristics of patients grouped according to the presence of DR

From: Role of advanced glycation end products and sorbitol dehydrogenase in the pathogenesis of diabetic retinopathy

 

Retinopathy

No retinopathy

P value

No

%

No

%

Gender

    

0.430

 Male

80

74.1

28

25.9

 Female

110

69.6

48

30.4

Age

    

0.004

 < 30 yrs

30

56.6

23

43.4

 30–40 yrs

43

65.2

23

34.8

 41–60 yrs

104

78.2

29

21.8

 > 60 yrs

13

92.9

1

7.1

Education

    

0.343

 Illiterate

121

73.3

44

26.7

 Middle

37

63.8

21

36.2

 High

32

74.4

11

25.6

Duration of diabetes

    

< 0.001

 = <10 yrs

41

53.2

36

46.8

 11–20 yrs

65

77.4

19

22.6

 > 20 yrs

84

80.0

21

20.0

Control of diabetes

    

< 0.001

 Controlled

64

51.6

60

48.4

 Uncontrolled

126

88.7

16

11.3

Family history of DR

    

0.039

 Positive

37

82.2

8

17.8

 Negative

66

65.3

35

34.7

 Unknown

120 patients did not know

History of Consang.

    

0.246

 Positive

27

64.3

15

35.7

 Negative

163

72.8

61

27.2

Hypertension

    

0.034

 No

114

68.3

53

31.7

 Yes

58

81.7

13

18.3

IHD

    

0.737

 No

169

72.8

63

27.2

 Yes

4

66.2

2

33.3

Nephropathy

    

0.198

 No

159

71.3

64

28.7

 Yes

13

86.7

2

13.3

Neuropathy

    

0.375

 No

88

69.8

38

30.2

 Yes

84

75.0

28

25.0

  1. Clinical features of type I DM patients grouped according to the presence or absence of DR that are shown in Table 1. Patients with no DR had a shorter duration of DM and were younger than patients with DR. Gender proportion did not differ significantly among groups. The study revealed no significant correlation of gender, education, family history of diabetes, consanguinity, ischemic heart disease, nephropathy, and neuropathy to DR, whereas family history of DR and hypertension were correlated to retinopathy, and there was a highly significant correlation of duration of diabetes to retinopathy.