Table 1.
Baseline Characteristics (N=138 045)
| Variable | RA Cohort N=27 609 (%) | Non‐RA Cohort N=110 436 (%) | P Value |
|---|---|---|---|
| Age, y | 53.6 (14.1) | 53.5 (14.2) | 0.35 |
| <45 | 7501 (27.2) | 30 004 (27.2) | |
| 45 to 64 | 13 869 (50.2) | 55 476 (50.2) | |
| ≥65 | 6239 (22.6) | 24 956 (22.6) | |
| Sex | >0.99 | ||
| Female | 21 371 (77.4) | 85 484 (77.4) | |
| Male | 6238 (22.6) | 24 952 (22.6) | |
| Comorbidity | |||
| Atrial fibrillation | 294 (1.1) | 1235 (1.1) | 0.45 |
| Chronic kidney disease | 678 (2.5) | 2182 (2.0) | <0.0001a |
| COPD | 9087 (32.9) | 30 580 (27.7) | <0.0001a |
| Diabetes mellitus | 4683 (17.0) | 18 594 (16.8) | 0.62 |
| Dyslipidemia | 6864 (24.9) | 25 215 (22.8) | <0.0001a |
| HIV infection | 12 (0.04) | 17 (0.02) | 0.004a |
| Hypertension | 9591 (34.7) | 36 134 (32.7) | <0.0001a |
| Statins used | 2829 (10.3) | 10 562 (9.6) | <0.0001a |
COPD indicates chronic obstructive pulmonary disease; HIV, human immunodeficiency virus; RA, rheumatoid arthritis.
a
A P‐value of <0.05 was indicated a significant difference in variable between RA and non‐RA cohort.