Table 1 Patient characteristics of the arthritis cohorts and controls
CAPEA | RABBIT | NDB | Reference (DEAS) | |
|---|---|---|---|---|
N | 1033 | 12,230 | 3424 | 6202 |
Age (years), mean (SD) | 56.6 (14.2) | 56.2 (9.7) | 61.5 (13.7) | 61.5 (12.1) |
Sex (female), n (%) | 660 (63.9) | 9328 (76.3) | 2611 (76.3) | 3072 (49.5) |
Disease duration (weeks or years), mean (SD) | 12.6 w (7.2) | 9.9 y (9.1) | 13.5 y (10.6) | NA |
CRP (mg/l), mean (SD) | 19.7 (30.3) | 18.2 (26.6) | 11.0 (5.2) | NA |
DAS28, mean (SD) | 5.1 (1.3) | 5.2 (1.3) | 3.1 (1.2) | NA |
BMI (kg/m2), mean (SD) | 27.0 (5.0) | 26.7 (5.3) | 26.5 (4.9) | 26.6 (4.2) |
< 18.5, n (%) | 11 (1.1) | 263 (2.2) | 56 (1.6) | 45 (0.8) |
18.5 to <25, n (%) | 372 (36.4) | 4810 (39.3) | 1416 (41.4) | 2264 (37.5) |
25 to <30, n (%) | 396 (38.8) | 4294 (35.1) | 1219 (35.6) | 2624 (43.5) |
≥ 30, n (%) | 243 (23.8) | 2863 (23.4) | 733 (21.4) | 1099 (18.2) |