Table 4:
Multivariate analysis of factors predicting recurrence
| Variable | Hazard ratio | 95% confidence interval | P-value |
|---|---|---|---|
| Continuous factors | |||
| Age | 0.999 | 0.926–1.078 | 0.9880 |
| Tumour size | 1.069 | 0.887–1.288 | 0.4827 |
| Skin incision | 1.011 | 0.974–1.050 | 0.5623 |
| Categorized factors | |||
| Gender | |||
| Male | Reference | ||
| Female | 0.240 | 0.047–1.216 | 0.0847 |
| Side | |||
| Right | Reference | ||
| Left | 1.028 | 0.269–3.919 | 0.9681 |
| Lobe | |||
| Upper | Reference | ||
| Lower | 0.599 | 0.151–2.387 | 0.4679 |
| Histology | |||
| AD | Reference | ||
| Non-AD | 6.775 | 1.488–30.839 | 0.0133 |
| CEA | |||
| ≥5.0 ng/ml | Reference | ||
| >5.0 ng/ml | 1.452 | 0.330–6.383 | 0.6217 |
AD, adenocarcinoma; CEA, carcinoembryonic antigen.