Score values at baseline and followup in 55 HLA-B27-positive and 36 negative patients, with mean values and ranges.
| HLA-B27-Positive | HLA-B27-Negative | |||||
|---|---|---|---|---|---|---|
| Baseline Mean (range) | Followup Mean (range) | p | Baseline Mean (range) | Followup Mean (range) | p | |
| Total active score | 7.7 (0–27.5) | 9.1 (0–26.5) | 0.19 | 4.7 (0–23) | 6.0 (0–25) | 0.26 |
| Edema | 8.0 (0–28) | 9.4 (0–28) | 0.20 | 4.8 (0–23) | 6.2 (0–25) | 0.24 |
| Enhancement | 7.4 (0–27) | 8.8 (0–27) | 0.19 | 4.5 (0–23) | 5.8 (0–25) | 0.29 |
| Total chronic score | 11.8 (0–36) | 20.3 (0–36) | < 0.0001 | 6.0 (0–28) | 9.8 (0–44) | < 0.001 |
| Erosions | 5.7 (0–14) | 8 (0–14) | < 0.0001 | 2.8 (0–12) | 4.0 (0–13) | < 0.005 |
| Fatty marrow deposition | 6.0 (0–25) | 11.9 (0–32) | < 0.0001 | 3.1 (0–17) | 5.7 (0–30) | < 0.001 |