Table 2 Baseline radiographic evaluations
Disease characteristic | Diclofenac sodium 1% gel | Vehicle | Combined |
|---|---|---|---|
| Â | n = 400 | n = 383 | n = 783 |
Kellgren-Lawrence grade | Â | Â | Â |
   1 | 70 (17.5) | 54 (14.1) | 124 (15.8) |
   2 | 141 (35.2) | 157 (41.0) | 298 (38.1) |
   3 | 189 (47.3) | 172 (44.9) | 361 (46.1) |
Sclerosis | 251 (62.7) | 245 (64.0) | 496 (63.3) |
Subchondral cysts | 153 (38.2) | 149 (38.9) | 302 (38.6) |
Joint space narrowing | 317 (79.2) | 294 (76.8) | 611 (78.0) |
Osteophytes | 305 (76.2) | 308 (80.4) | 613 (78.3) |