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