Performance statistics for the OHTS-EGPS equation for predicting the 5-year risk of glaucoma in the four validation cohorts
| Rotterdam | Moorfields | Dunfermline | Nottingham | |
|---|---|---|---|---|
| n/N* | 28/393 | 44/298 | 28/188 | 5/159 |
| c-index | 0.83 (0.75 to 0.91) | 0.69 (0.59 to 0.78) | 0.72 (0.63 to 0.82) | 0.70 (0.39 to 1.00) |
| Calibration slope | 1.09 (0.72 to 1.45) | 0.59 (0.19 to 0.99) | 0.21 (−0.33 to 0.74) | 0.24 (−0.17 to 0.65) |
*n is the number of OAG cases, and N is the total number of patients.
EGPS, European Glaucoma Prevention Study; OAG, open-angle glaucoma; OHTS, Ocular Hypertension Treatment Study.
Reproduced with permission from Burr J, et al.8