| GARP | Control | |
| Total, no. | 382* | 739 |
| Women, no. (%) | 311 (81.4) | 429 (58.1) |
| Age, median (range) years | 59.7 (42.7–79.4) | 58.3 (30.0–79.0) |
| BMI, median (range) | 26.0 (19.1–46.5) | |
| S-HsCRP†, mean (SEM) | 3.63 (0.29) | |
| S-HsCRP†, median (range) | 1.83 (0.21–56.8) | |
| Mean number of affected hand joints (range) | 4.62 (0–20) | |
| Subjects with severe hand osteoarthritis (%) | 103 (27) |
BMI, body mass index (kg/m2); S-HsCRP, serum high sensitive C-reactive protein level (mg/l); GARP, Genetics of osteoARthritis and Progression.
*GARP study sample consists 191 sibling pairs, for 381 subjects DNA was available.
†Numbers are calculated for subjects with S-HsCRP levels available (n = 353). In all analysis logarithmic transformed values of S-HsCRP were used.