Table 4. Univariate and multivariate of OS in 95 cases.
| Factors | No. (%) | Univariate analysis | Multivariate analysis | |||||
|---|---|---|---|---|---|---|---|---|
| HR | 95% CI | P value | HR | 95% CI | P value | |||
| Sex | ||||||||
| Male | 41 (43.2) | Reference | ||||||
| Female | 54 (56.8) | 3.42 | 2.44–64.41 | 0.530 | ||||
| Smoking history | ||||||||
| Smoking | 16 (16.8) | Reference | ||||||
| Never | 79 (83.2) | 2.03 | 55.44–63.41 | 0.844 | ||||
| Tumor size (cm) | ||||||||
| ≤3 | 69 (72.6) | Reference | ||||||
| >3 | 26 (27.3) | 2.25 | 1.76–32.24 | 0.133 | ||||
| Clinical stage | ||||||||
| 0–I | 59 (62.1) | Reference | ||||||
| II–III | 18 (18.95) | 23.35 | 8.22–67.44 | 0.041 | ||||
| Unstaged | 18 (18.95) | 34.22 | 5.43–87.93 | 1.000 | ||||
| Surgical approach | ||||||||
| OTS | 33 (34.7) | Reference | ||||||
| VATS | 62 (65.3) | 17.70 | 2.10–65.77 | 0.442 | ||||
| Treatment | ||||||||
| Surgery | 71 (74.7) | Reference | ||||||
| Surgery + adjuvant therapy | 24 (25.3) | 7.37 | 2.49–14.62 | 0.001 | 14.32 | 1.71–120.30 | 0.014 | |
OS, overall survival; HR, hazard ratio; OTS, open thoracic surgery; VATS, video-assisted thoracic surgery.