Baseline characteristics according to Charlson Comorbidity Index (CCI)
| CCI =0 (n=1066) | CCI =1 (n=493) | CCI ≥2 (n=191) | p value | |
|---|---|---|---|---|
| Tender joint count (28) (no.) | 6 (2–11) | 6 (3–12) | 8 (3–15) | 0.001 |
| Swollen joint count (28) (no.) | 2 (0–5) | 3 (0–6) | 2 (0–6) | 0.016 |
| DAS28-CRP (0 – 10) | 4.4 (3.5–5.2) | 4.6 (3.8–5.4) | 4.9 (3.9–5.7) | <0.001 |
| HAQ score (0 – 3) | 0.88 (0.5–1.4) | 1.1 (0.6–1.5) | 1.4 (0.88–2.0) | <0.001 |
| VAS patient global (0 – 100) | 68 (48–84) | 69 (52–84) | 75 (58–88) | 0.021 |
| Depression and/or anxiety, n (%) | 46 (4.3) | 33 (6.7) | 15 (7.9) | 0.042 |
Values are the median/interquartile range except where stated otherwise. Comparisons were assessed by χ2/Kruskal-Wallis test.