Fine and Gray model for the association between noninvasive continuous positive airway pressure (CPAP) duration and mortality
| sHR (95% CI) | |
| CPAP days | 1.094 (1.010–1.184) |
| Male | 1.596 (0.814–3.129) |
| Age | 1.023 (0.985–1.064) |
| Hypertension yes versus no | 1.224 (0.729–2.056) |
| Charlson Comorbidity Index | 1.392 (1.145–1.693) |
| Lactate dehydrogenase U·L−1 | 1.001 (1.000–1.002) |
| C-reactive protein mg·dL−1 | 0.983 (0.947–1.020) |
| Lymphocyte ×103 cells·μL−1 | 1.269 (0.699–2.302) |
Subdistribution hazard ratio (sHR) and corresponding 95% confidence interval deriving from the multivariate Fine and Gray models. Estimates are further adjusted by centre. n=146.