No. of patients (%) | Multivariate analysis | ||||
---|---|---|---|---|---|
Characteristics | OR | 95% CI | P -value | ||
Total | 583 (100) | ||||
Tumor location | |||||
Peripheral | 456 (78.2) | 1 | |||
Central | 127 (21.8) | 3.003 | 0.771-11.695 | 0.113 | |
Histologic type | |||||
Nonsquamous NSCLC | 375 (64.3) | 1 | |||
Squamous cell carcinoma | 208 (35.7) | 5.491 | 1.079-27.943 | 0.040* | |
Major cavitation | |||||
Absent | 569 (97.6) | 1 | |||
Present | 14 (2.4) | 17.878 | 3.430-93.190 | 0.001* |