Baseline values and observed changes in BML between baseline and 8 weeks postintraarticular steroid injection (n = 90 subjects) for all 8 readers.
| Changes in BML | Slices Scored, n | Scoring Range | Baseline, Mean (SD) | Change, Mean (SD) | p | SDC | Proportion with Change > SDC |
|---|---|---|---|---|---|---|---|
| Femoral BML | 15 | 0–65 | 18.9 (17.4) | 2.2 (9.2) | 0.02 | 3.6 | 44.6% |
| Femoral BML central only | 5 | 0–45 | 14.2 (13.0) | 1.3 (6.5) | 0.06 | 3.0 | 41.1% |
| Acetabular BML | 15 | 0–35 | 10.2 (7.0) | −0.08 (2.3) | 0.73 | 1.9 | 33.3% |
| Acetabular BML central only | 5 | 0–15 | 5.5 (3.9) | −0.05 (1.6) | 0.75 | 1.4 | 25.6% |
| Total HIMRISS BML | 15 | 0–100 | 29.1 (23.1) | 2.1 (10.0) | 0.05 | 4.6 | 35.6% |
ML: bone marrow lesion; SDC: smallest detectable change; HIMRISS: Hip Inflammation Magnetic resonance imaging Scoring System.