Patient characteristic.
| Characteristic | n | |
|---|---|---|
| Age, yrs | 57 ± 14 | 191 |
| Female, % | 74.3 | 142 |
| Caucasian, % | 92.1 | 176 |
| US-born, % | 88.5 | 169 |
| BCG vaccination, % | 4.7 | 9 |
| Underlying disease, % | ||
| RA | 80.1 | 153 |
| PsA | 5.8 | 11 |
| Other/not reported | 8.9 | 17 |
| Other rheumatic disease | 5.2 | 10 |
| Treatment, % | ||
| MTX ± CS | 27.7 | 53 |
| TNF antagonists ± CS | 25.7 | 49 |
| DMARD + TNF antagonists ± CS | 24.6 | 47 |
| Other DMARD or biologic | 18.3 | 35 |
RA: rheumatoid arthritis; PsA: psoriatic arthritis; MTX: methotrexate; CS: corticosteroid; TNF: tumor necrosis factor; DMARD: disease modifying antirheumatic drug.