Table 1.
Characteristics of the study populations.
| Forward | VARA | |
|---|---|---|
| N | 23,323 | 1,697 |
| Age (yrs) | 58.4 (13.7) | 63.3 (11.0) |
| Male, N (%) | 4,868 (20.9%) | 1,528 (90%) |
| White, N (%) | 22,092 (95%) | 1,290 (76%) |
| BMI (kg/m2) | 28.3 (6.8) | 28.5 (5.6) |
| BMI Category, N (%) | ||
| <20 kg/m2 | 469 (2%) | 66 (4%) |
| 20–25 kg/m2 | 7,836 (34%) | 406 (24% |
| 25–30 kg/m2 | 7,379 (32%) | 615 (36%) |
| 30–35 kg/m2 | 4,225 (18%) | 405 (24%) |
| >35 kg/m2 | 3,414 (15%) | 194 (12%) |
| Disease Duration (yrs) | 14.2 (12.6) | 10.7 (11.3) |
| HAQ/MD-HAQ | 1.09 (0.73) | 0.90 (0.61) |
| Current smoking, N (%) | 1,204 (5.2%) | 450 (27%) |
| RDCI | 2 (1, 3) | 1 (1, 3) |
| CRP, mg/dL | -- | 0.8 (0.4, 2) |
| Swollen Joints (0–28) | -- | 3 (0, 14) |
Values presented as mean (SD) or median (IQR) for skewed data unless otherwise noted.
Abbreviations: Forward= National Data Bank for Rheumatic Diseases; VARA= Veterans Affairs Rheumatoid Arthritis Regstry; BMI= Body Mass Index; HAQ= Health Assessment Questionnaire; MD-HAQ= Multi-dimensional HAQ; RDCI= Rheumatic Disease Comorbidity Index; CRP= C-Reactive Protein