Table 2. Multivariable-adjusted fine and grey model for cumulative incidence of recurrence (N=969).
| Multivariable analysis* | Hazard ratio (95% CI) | P | Interaction P value |
|---|---|---|---|
| Sub-lobar resection vs. lobectomy | 0.02 | 0.268 | |
| Overall | 1.52 (1.07–2.17) | ||
| SND | 1.98 (1.14–3.42) | ||
| LS-ND | 1.87 (0.94–3.74) | ||
| NS | 1.08 (0.61–1.93) | ||
| LS-ND vs. SND | 0.007 | 0.903 | |
| Overall | 1.74 (1.16–2.6) | ||
| Lobectomy | 1.66 (1.03–2.69) | ||
| Sub-lobar resection | 1.58 (0.75–3.32) | ||
| NS vs. SND | 0.007 | 0.131 | |
| Overall | 1.49 (1.12–1.98) | ||
| Lobectomy | 1.61 (1.18–2.19) | ||
| Sub-lobar resection | 0.88 (0.43–1.82) |
*, take into account of age, gender, smoking habit, side of intervention, pTNM stage, vascular invasion, predominant histologic pattern and histologic grade. NS, lymph node sampling; LS-ND, lobe-specific lymph node dissection; SND, systematic nodal dissection.