Table 2: Cox regression analysis of predictors of DR among cohorts of type 2 diabetes patients at chronic follow-up clinic of University of Gondar Comprehensive Specialized Hospital, from January 1, 2014, to December 31, 2019 (n = 400).

Variables

Survival status

Event Censored

CHR (95%CI)

Adjusted

AHR (95%CI)

Hypertension

 

 

 

 

Yes

70

155

7.6 (3.66, 15.8)

2.07 (1.17, 2.89)*

No

8

167

1.00

1.00

Congestive heart failure

 

 

 

 

Yes

49

54

6.06 (3.82, 9.62)

2.53 (1.49, 4.29)*

No

29

268

1.00

1.00

Chronic kidney disease

 

 

 

 

Yes

30

8

8.87 (5.55, 14.2)

5.02 (2.73, 9.26)*

No

53

313

1.00

1.00

Stroke

 

 

 

 

Yes

14

17

2.96 (1.65, 5.28)

1.32 (0.68, 2.56)

No

64

305

1.00

1.00

Diabetic neuropathy

 

 

 

 

Yes

42

26

7.23 (4.62, 11.33)

1.59 (0.89, 2.83)

No

36

296

1.00

1.00

DM status

 

 

 

 

uncontrolled

39

74

2.67 (1.71, 4.16)

1.09 (0.62, 1.91)

controlled

39

248

1.00

1.00

HBA1c

 

 

 

 

≥ 7%

25

53

1.79 (7.54, 21.69)

10.5 (5.6, 19.9)*

< 7%

58

284

1.00

1.00

Aspirin

 

 

 

 

Yes

50

137

2.16 (1.36, 3.43)

1.06 (0.61, 1.84)

No

28

185

1.00

1.00

*Independently significant predictors of DR at P-value < 0.05