Characteristics of incident TB cases identified in the general population, biological-naïve RA and biological-exposed RA populations, 2002–2011
| General population comparators (n=43) | Biological-naïve RA (n=32) | Biological-exposed RA (n=18) | |
|---|---|---|---|
| Female, n (%) | 27 (62.8) | 20 (62.5) | 12 (66.7) |
| Age at TB diagnosis, mean±SD, years | 67.6±17.0 | 72.8±10.9 | 63.4±13.4 |
| Location of TB | |||
| Pulmonary TB, n (%) | 28 (65.1) | 26 (81.3) | 13 (72.2) |
| Extrapulmonary, n (%) | 13 (20.2) | 6 (18.8) | 3 (16.7) |
| Disseminated, n (%) | 2 (4.7) | 0 (0) | 2 (11.1) |
| Culture-verified, n (%) | 39 (90.7) | 20 (62.5) | 13 (72.2) |
RA, rheumatoid arthritis; TB, tuberculosis.