Table 6 Classification of low-risk and high-risk groups
From: A prediction model for worsening diabetic retinopathy after panretinal photocoagulation
Group | Patients (n = 271) | Predicted probabilitya | Actual probabilitya | Pb (chi-square) |
|---|---|---|---|---|
Low-risk (0–55%) | 149 | 35.31% | 52/149 (34.90%) |  < 0.001 |
High-risk (above 55%) | 122 | 82.29% | 101/122 (82.79%) |