Table 4.
Multivariable Analysis for Disease Free Survival (DFS)
| Variable | HR | 95% CI | p Value |
|---|---|---|---|
| Approach | |||
| Thoracotomy | Reference | – | – |
| Uniportal VATS | 0.573 | 0.126–2.608 | 0.471 |
| Sex | |||
| Male | Reference | – | – |
| Female | 6.734 | 0.177–256.310 | 0.304 |
| Age (years) | |||
| <62 | Reference | – | – |
| ≥62 | 1.017 | 0.286–3.621 | 0.979 |
| Smoking | |||
| Never | Reference | – | – |
| Current | 1.462 | 0.149–14.321 | 0.744 |
| Location of the lesion | |||
| LUL | Reference | – | – |
| RUL | 1.125 | 0.143–8.849 | 0.911 |
| Diameter (cm) | |||
| <4 | Reference | – | – |
| ≥4 | 6.809 | 0.520–89.090 | 0.144 |
| Preoperative chemotherapy | |||
| Have | Reference | – | – |
| Never | 4.16 | 0.594–38.708 | 0.159 |
| Pathology | |||
| Squamous cell carcinoma | Reference | – | – |
| Adenocarcinoma | 2.546 | 0.715–9.068 | 0.149 |
| Large cell carcinoma | 1.88 | 0.213–16.621 | 0.57 |
| Sarcoid carcinoma | 0 | – | 0.988 |
| TNM stage | |||
| I | Reference | – | – |
| II | 5.814 | 0.646–52.343 | 0.116 |
| III | 6.136 | 0.726–51.135 | 0.094 |
| N stage | |||
| N0 | Reference | – | – |
| N1 | 2.836 | 0.471–17.080 | 0.255 |
| N2 | 4.594 | 0.925–22.826 | 0.062 |