Table 1.
Survival time of various strata in IPF patients.
| Variables | Num. | Survival time (mean, month) | P values |
|---|---|---|---|
| Age | 0.268 | ||
| <50 years | 22 | 65.044 | |
| 50–75 years | 325 | 48.320 | |
| >75 years | 57 | 35.176 | |
| Gender | 0.887 | ||
| Male | 347 | 46.623 | |
| Female | 55 | 45.005 | |
| FVC (%pred) | 0.048 | ||
| <45 | 17 | 25.388 | |
| ≥45 | 208 | 47.070 | |
| DLCO(%pred) | 0.000 | ||
| >60% | 46 | 51.038 | |
| ≤60%, >45% | 91 | 46.956 | |
| ≤45%, >30%) | 66 | 25.427 | |
| ≤30% | 22 | 19.182 | |
| GAP stage | 0.041 | ||
| Stage I | 107 | 64.78 | |
| Stage II | 96 | 35.33 | |
| Stage III | 22 | 31.60 | |
| Hypoxemia | 0.002 | ||
| Yes | 210 | 41.172 | |
| No | 192 | 52.083 | |
| Hydropower disorder | 0.004 | ||
| Yes | 76 | 31.683 | |
| No | 326 | 49.349 | |
| Pulmonary hypertension | 0.024 | ||
| Yes | 78 | 32.198 | |
| No | 324 | 51.263 | |