Demographic data of patients with RA and non-RA controls
| Patients with RA (n=13779) | Non-RA patients (n=137790) | p Value | |
|---|---|---|---|
| Female | 10659 (77.4) | 106590 (77.4) | 1.000 |
| Age group (years) | 1.000 | ||
| 16–25 | 484 (3.5) | 4840 (3.5) | |
| 26–35 | 1187 (8.6) | 11870 (8.6) | |
| 36–45 | 2577 (18.7) | 25770 (18.7) | |
| 46–55 | 3896 (28.3) | 38960 (28.3) | |
| 56–65 | 2864 (20.8) | 28640 (20.8) | |
| >65 | 2771 (20.1) | 27710 (20.1) | |
| Geographical region | <0.001 | ||
| Northern | 5654 (41.0) | 58329 (42.3) | |
| Central | 2878 (20.9) | 26746 (19.4) | |
| Southern | 4502 (32.7) | 46412 (33.7) | |
| Eastern | 745 (5.4) | 6303 (4.6) | |
Results are shown as number (%).
RA, rheumatoid arthritis.