Characteristics of the 48 patients at entry in the study
| Number of patients (female/male) | 48 (25/23) |
|---|---|
| Age at entry in the study (y) | 56.4 (14.1) |
| Age at onset of disease (y) | 51.1 (14.1) |
| Lequesne index | 8.4 (4.3) |
| Pain on the VAS (mm) | 48.2 (25.4) |
| Joint space width (mm) | 1.80 (1.04) |
| Body mass index | 25.8 (4.3) |
| Other OA sites involved (yes/no) | 24/24 |
| Bilateral hip OA (yes/no) | 18/30 |
| Current NSAIDs consumption (yes/no/NA) | 22/19/7 |
| Current SYSADOA consumption (yes/no/NA) | 18/23/7 |
| Hip overwork (yes/no/doubtful) | 14/27/7 |
| Smoking cigarettes (yes/no) | 15/33 |
| Serum COMP (μg/ml) | 7.7 (1.2) |
| Serum BSP (ng/ml) | 143.3 (27.3) |
NA: not available. Data shown as numbers and mean (SD).