Table 2. Univariate and multivariate cox regression analysis for survival after the first bronchoscopic intervention.
| Variables | Survival after bronchoscopic intervention | ||||||
|---|---|---|---|---|---|---|---|
| Univariate analysis | Multivariate analysis | ||||||
| HR | 95% CI | P value | HR | 95% CI | P value | ||
| Age (<65 vs. ≥65 years) | 1.759 | 1.029–3.006 | 0.039 | 3.355 | 1.059–10.630 | 0.115 | |
| ECOG (≥2 vs. 0–1) | 2.436 | 1.358–4.370 | 0.003 | 1.064 | 0.507–2.235 | 0.870 | |
| Comorbidities (≥1 vs. 0) | 1.775 | 0.978–3.221 | 0.059 | – | – | – | |
| Primary malignancy (Lung vs. others) | 0.611 | 0.343–1.091 | 0.096 | – | – | – | |
| Location (extended vs. single) | 0.873 | 0.501–1.519 | 0.630 | – | – | – | |
| Type of obstruction (mixed/extrinsic compression vs. endoluminal) | 1.831 | 1.060–3.163 | 0.030 | 2.075 | 1.175–3.665 | 0.012 | |
| Myer Cotton grade (IV vs. III) | 0.831 | 0.484–1.426 | 0.501 | – | – | – | |
| Length (centimeters) | 1.218 | 0.987–1.502 | 0.066 | – | – | – | |
| Technical success (yes vs. no) | 0.478 | 0.256–0.890 | 0.020 | 0.468 | 0.241–0.909 | 0.025 | |
| Cancer-specific treatment (yes vs. BSC) | 0.307 | 0.171–0.551 | <0.001 | 0.373 | 0.184–0.757 | 0.006 | |
| Urgency of the procedure (ambulatory vs. emergent) | 0.595 | 0.340–1.042 | 0.069 | – | – | – | |
BSC, best supportive care; CI, confident interval; ECOG, Eastern Cooperative Oncology Group Performance Status; HR, hazard ratio; CI, confidence interval.