| Unadjusted model, HR (95% CI) | p-value | Most parsimonious model, HR (95% CI)a | p-value |
---|---|---|---|---|
Any retinopathy | 2.10 (1.48, 2.99) | < 0.001 | 1.30 (0.87, 1.92) | 0.197 |
Retinopathy severity | ||||
 None or mild NPDR | 1.00 (reference) |  | 1.00 (reference) |  |
 Moderate NPDR | 3.15 (1.74, 5.69) | < 0.001 | 1.73 (0.91, 3.29) | 0.095 |
 Severe NPDR or worse | 3.11 (1.56, 6.22) | 0.001 | 1.02 (0.48, 2.18) | 0.958 |
Moderate NPDR or worse vs mild NPDR or no DR | 2.88 (1.80, 4.58) | < 0.001 | 1.32 (0.78, 2.25) | 0.302 |