Demographic characteristics and rheumatoid arthritis (RA) related disease variables.
| Characteristic | n | % | Mean (SD) | Median (Q1–Q3) |
|---|---|---|---|---|
| Age, yrs | 5432 | 56.1 (13.8) | 57.0 (47.2–66.2) | |
| Sex, female | 5400 | 79 | ||
| Disease duration, yrs | 5439 | 11.2 (9.7) | 8.6 (3.7–16) | |
| RF-positive | 5338 | 73 | ||
| Morning stiffness duration, min | 5439 | 54.6 (73.8) | 30 (0–60) | |
| HAQ score, 0–3 | 5426 | 1.0 (0.77) | 1.0 (0.37–1.5) | |
| Pain score, 0–10 cm VAS | 5387 | 4.1 (2.7) | 4.1 (1.8–6.2) | |
| GH, 0–10 cm VAS | 5486 | 4.1 (2.6) | 4.2 (1.9–5.9) | |
| EGA, 0–10 cm VAS | 5346 | 2.9 (2.4) | 2.4 (0.8–4.7) | |
| Fatigue, 0–10 cm VAS | 5362 | 4.4 (2.9) | 4.5 (1.9–6.8) | |
| TJC, 0–28 | 5393 | 6.6 (7.5) | 4 (1–10) | |
| SJC, 0–28 | 5389 | 4.3 (5.4) | 2 (0–7) | |
| ESR, mm/h | 5127 | 29 (25.5) | 22 (12–40) | |
| PSHAQ score, 0–3 | 5409 | 0.8 (0.7) | 1 (0–1) | |
| DAS28v3 | 5230 | 4.2 (1.7) | 4.2 (2.9–5.5) | |
| RAPID3, 0–30 | 5349 | 11.6 (6.9) | 11.4 (6.2–16.7) |
Q1–Q3: first to third quartile; RF: rheumatoid factor; HAQ: Health Assessment Questionnaire; VAS: visual analog scale; GH: patient’s assessment of general health; EGA: evaluator’s assessment of global disease activity; TJC: tender joint count, SJC: swollen joint count, ESR: erythrocyte sedimentation rate; PSHAQ: Psychological HAQ; DAS28: Disease Activity Score 28-joint count; RAPID3: Routine Assessment of Patient Index Data 3.