Results of the application of the model developed by Cid, et al9 to determine the risk of visual loss in patients with giant cell arteritis. Values are n (%) unless otherwise specified.
| Variables (no. assessed) | Patients without PVL | Patients with PVL | p, Chi-square Test |
|---|---|---|---|
| Clinical response (333) | |||
| Yes | 139 (41.8) | 10 (3.0) | < 0.0001 |
| No | 143 (42.9) | 41 (12.3) | |
| Biological response (310) | |||
| Yes | 93 (30.0) | 8 (2.6) | 0.02 |
| No | 171 (55.2) | 38 (12.2) | |
| Clinical and biological response | (307) | ||
| Yes | 57 (18.6) | 2 (0.7) | 0.005 |
| No | 204 (66.4) | 44 (14.3) |
PVL: permanent visual loss.