Variable | OR | Sensitivity, % | Specificity, % | PPV,% | NPV, % | PLR, % | NLR, % | B points |
Diffuse iris depigmentation | – | 100.00 | 95.68 | 95.65 | 100.00 | 23.15 | 0.00 | −64.38 |
Mild inflammation in the anterior chamber at presentation | 86.3 | 98.31 | 59.68 | 69.82 | 97.39 | 2.44 | 0.03 | −18.91 |
Absence of posterior synechiae | – | 100.00 | 34.24 | 59.06 | 100.00 | 1.52 | 0.00 | −44.94 |
Vitreous opacities | 5.13 | 53.12 | 81.92 | 73.60 | 64.81 | 2.94 | 0.57 | −30.71 |
Cataract | 7.35 | 72.34 | 73.76 | 72.34 | 73.76 | 2.76 | 0.38 | −15.74 |
Iris nodules | 6.20 | 11.64 | 97.92 | 84.15 | 53.87 | 5.60 | 0.90 | −31.30 |
B points, regression coefficient.
NLR, negative likelihood ratio; NPV, negative predicted value; PLR, positive likelihood ratio; PPV, positive predicted value.