Table 4.
Univariate analysis of variables associated with mortality
| Variable | P | Odds ratio | 95% CI |
| CCS | 0.041 | 1.57 | 1.02–2.43 |
| Number of organ dysfunctions | 0.047 | 2.85 | 1.02–8.01 |
| SOFAolb | 0.013 | 1.55 | 1.10–2.19 |
| SOFAmax | 0.055 | 1.30 | 0.99–1.70 |
| PaO2/FiO2 ratioon OLB day | 0.023 | 0.985 | 0.973–0.998 |
| Time to OLB, days | 0.086 | 1.18 | 0.98–1.43 |
| OLB complication | 0.184 | 2.50 | 0.65–9.65 |
| Immunocompromised status | 0.146 | 0.31 | 0.67–1.50 |
CCS, Charlson age–comorbidity score; SOFAolb, SOFA (Sequential Organ Failure Assessment) score at the day of open lung biopsy; SOFAmax, maximum SOFA score; OLB, open lung biopsy; time to OLB, days from mechanical ventilation to OLB; CI, confidence interval.