Table 4.
Characteristic | Age and sex adjusted relative risk (95% Confidence Interval) |
---|---|
Age per 10 year increase | 1.33 (1.24–1.42) |
Female sex | 1.55 (1.26–1.91) |
Extrathoracic Involvement | 1.23 (1.01–1.49) |
Stage | |
Stage 2 (vs 1) | 1.52 (1.22–1.89) |
Stage 3–4 (vs 1) | 1.47 (1.14–1.88) |
DMARD Use (time dependent) | 2.59 (1.91–3.53) |
Steroid Use (time dependent) | 1.60 (1.32–1.95) |