Radiographic damage in NP and non-NP patients
| NP (n=24) | Non-NP (n=48) | P value | |
| Radiography | |||
| KL grade, n (%)* | 0.003 | ||
| 0 | 8 (33.3) | 4 (8.3) | |
| 1 | 8 (33.3) | 11 (22.9) | |
| 2 | 8 (33.3) | 19 (39.6) | |
| 3 | 0 (0) | 13 (27.1) | |
| 4 | 0 (0) | 1 (2.1) | |
| minJSW (mm), mean (SD) | 3.0 (1.0) | 2.1 (1.4) | 0.002 |
| Osteophyte area (mm2), mean (SD) | 12.7 (11.1) | 25.5 (19.1) | 0.001 |
| Mean subchondral bone density (mm Alu. Eq), mean (SD) | 30.1 (4.3) | 32.4 (4.7) | 0.037 |
Statistical significant p-values are given in bold.
*Fisher’s exact test.
mm Alu Eq.; mm aluminium equivalent.KL grade, Kellgren and Lawrence grade; minJSW, minimum Joint Space Width; NP, neuropathic pain.