Prognostic factors for patients with IPF and CTD associated ILD (CTD-ILD) using multivariate Cox regression analysis. Immunosuppressants include prednisone, azathioprine, cyclophosphamide, and mycophenolate mofetil.
| A. Idiopathic pulmonary fibrosis and CTD-ILD population. | |||||
|---|---|---|---|---|---|
| Variable | p | Hazard Ratio | LCL | UCL | |
| Age at diagnosis of ILD | 0.0002 | 1.047 | 1.02 | 1.07 | |
| Ethnicity (white) | 0.4099 | 1.311 | 0.69 | 2.50 | |
| Sex (women) | 0.3357 | 0.760 | 0.43 | 1.33 | |
| CTD | 0.9843 | 1.007 | 0.48 | 2.10 | |
| Immunosuppressants | 0.0818 | 1.803 | 0.93 | 3.50 | |
| FVC | 0.0004 | 0.975 | 0.96 | 0.99 | |
| B. CTD-ILD population only. | |||||
|---|---|---|---|---|---|
| Variable | p | Hazard Ratio | LCL | UCL | |
| Age at diagnosis of ILD | 0.2027 | 1.030 | 0.98 | 1.08 | |
| Sex (women) | 0.7332 | 1.316 | 0.27 | 6.39 | |
| Ethnicity (white) | 0.8347 | 1.133 | 0.35 | 3.67 | |
| SSc | 0.0280 | 0.172 | 0.04 | 0.83 | |