Table IV.
Multivariate analysis of different surgery types.
| A, Non-surgery vs. surgery group | |||
|---|---|---|---|
| Multivariate analysis | |||
| Characteristic | Hazard ratio | 95% Confidence interval | P-value |
| Age | 1.21 | 1.07–1.36 | <0.01 |
| Sex | 0.97 | 0.76–1.23 | 0.78 |
| Race | 1.11 | 0.92–1.35 | 0.27 |
| Histology | 0.98 | 0.90–1.06 | 0.60 |
| Grade | 1.11 | 0.91–1.36 | 0.29 |
| T | 1.13 | 0.98–1.30 | 0.09 |
| N | 1.27 | 0.85–1.88 | 0.24 |
| Stage | 1.01 | 0.81–1.27 | 0.92 |
| Surgery | 0.59 | 0.47–0.76 | <0.01 |
| B, Sublobectomy vs. lobe/s group | |||
| Multivariate analysis | |||
| Characteristic | Hazard ratio | 95% Confidence interval | P-value |
| Age | 1.23 | 0.94–1.61 | 0.92 |
| Sex | 1.03 | 0.61–1.71 | 0.92 |
| Race | 0.84 | 0.51–1.40 | 0.51 |
| Histology | 0.99 | 0.81–1.20 | 0.91 |
| Grade | 1.64 | 1.03–2.60 | 0.29 |
| T | 1.27 | 1.00–1.63 | 0.05 |
| N | 2.04 | 0.90–4.64 | 0.09 |
| Stage | 0.83 | 0.52–1.32 | 0.92 |
| Surgery | 1.67 | 0.96–2.90 | 0.07 |
| C, Lobe/s vs. Pneumonectomy group | |||
| Multivariate analysis | |||
| Characteristic | Hazard ratio | 95% Confidence interval | P-value |
| Age | 0.28 | 0.05–1.47 | 0.13 |
| Sex | 0.22 | 0.03–1.58 | 0.13 |
| Race | 0.20 | 0.03–1.59 | 0.51 |
| Histology | 2.47 | 0.93–6.52 | 0.07 |
| Grade | 0.77 | 0.18–3.37 | 0.73 |
| T | 2.80 | 0.20–39.85 | 0.45 |
| N | 0.86 | 0.13–5.87 | 0.88 |
| Stage | 2.06 | 0.12–34.16 | 0.61 |
| Surgery | 2.39 | 0.18–32.14 | 0.51 |
Lobe/s, lobectomy or bilobectomy.