Table 5. Multivariate analysis.
| Variable | SE | df | sig | Odds ratio (95% CI) |
|---|---|---|---|---|
| Extent of resection (PN vs. SL) | 0.323 | 1 | 0.000 | 3.09 (1.62–5.89) |
| Open vs. VATS | 0.281 | 1 | 0.053 | 1.87 (1.06–3.27) |
| Sex | 0.012 | 1 | 0.425 | 0.98 (0.96–1.00) |
| Age (at time of surgery) | 0.011 | 1 | 0.069 | 1.02 (1.00–1.04) |
| Histology | 2 | 0.295 | ||
| Adeno vs. others | 0.259 | 1 | 0.443 | 0.82 (0.49–1.38) |
| Squam vs. others | 1.019 | 1 | 0.157 | 0.24 (0.03–1.81) |
| Stage | 0.176 | 1 | 0.036 | 1.51 (1.06–2.14) |
Statistical significance: P<0.05. df, degrees of freedom; SE, standard error; sig, significance; PN, pneumonectomy; SL, sleeve lobectomy; VATS, video-assisted thoracoscopic surgery; Adeno, adenocarcinoma; Squam, squamous cell carcinoma.