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Time to next visit (years) as a function of the current state such that the risk of reaching PDR/CSME is approximately 5%
| Current State | Time to Next Visit | Probability |
|---|---|---|
| No retinopathy | 5.250 | 0.049 |
| Mild NPDR | 3.583 | 0.048 |
| Moderate NPDR | 0.333 | 0.045 |
| Severe NPDR | 0.083 | 0.057 |
