| Total | DR | OR | IC 95% OR | p-value | ||
| Yes | % | |||||
| Duration of diabetes (years) | ||||||
| >5 | 90 | 41 | 45.56 | 5.02 | [2.39 - 10.50] | p < 0.001* |
| ≤5 | 84 | 12 | 14.29 | 1 | ||
| Age onset of diabetes (en années) | ||||||
| ≤48 | 90 | 34 | 37.78 | 2.07 | [1.06 - 4.04] | p = 0.029* |
| >48 | 84 | 19 | 22.62 | 1 | ||
| Type of diabetes | ||||||
| Type 2 | 167 | 52 | 31.14 | 2.71 | [0.31 - 23.11] | p = 0.676 |
| Type 1 | 07 | 01 | 14.29 | 1 | ||