Table 2.
Univariate log-rank analysis and Cox multivariate analysis of prognostic factors
| Risk factor | Univariate log-rank analysis (p) | Multivariate analysis | |
|---|---|---|---|
| p | HR (95.0% CI) | ||
| Age | 0.563 | ||
| Sex (median as cut-off) | 0.180 | ||
| Smoking history | 0.326 | ||
| Duration (median as cut-off) | 0.297 | ||
| Surgical approach (PLT versus VATS) | 0.004 | 0.017 | 0.407 (0.195–0.851) |
| Surgical scope (sublobar resection versus lobectomy and combined lobectomy) | 0.933 | ||
| Tumour location (peripheral type versus central type) | 0.942 | ||
| Pathological type (pure versus mixed) | 0.471 | ||
| T stage | 0.000 | ||
| N stage | 0.002 | 0.034 | 1.689 (1.042–2.740) |
| M stage | 0.000 | 0.001 | 6.712 (2.229–20.211) |
| Tumour size (median as cut-off) | 0.004 | 0.278 | 1.637 (0.672–3.983) |
| TNM stage | 0.000 | ||
| Complication (yes versus no) | 0.411 | ||
| AT (all) | 0.586 | ||
| AT (stage I) | 0.054 | ||
| Neoadjuvant therapy | 0.037 | 0.416 | 0.605 (0.181–2.028) |
PLT posterolateral thoracotomy, VATS video-assisted thoracic surgery, HR hazard ratio, CI confidence interval, AT adjuvant therapy, p < 0.05 indicated that there was significant difference