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Results of the multivariate analysis of prognostic factors for recurrence‐free survival
| DLL3‐positive | DLL3‐negative | |||||
|---|---|---|---|---|---|---|
| Variable | Hazard ratio | 95% CI | P‐value | Hazard ratio | 95% CI | P‐value |
| Pathological stage | ||||||
| I | 1.00 | 1.00 | ||||
| II/III | 2.66 | 0.84–9.20 | 0.10 | 2.25 | 0.86–5.81 | 0.10 |
| Surgical procedure | ||||||
| Lobectomy | 1.00 | 1.00 | ||||
| Sublobar resection | 2.12 | 0.36–10.8 | 0.34 | 1.40 | 0.53–3.65 | 0.50 |
| Adjuvant chemotherapy | ||||||
| Not performed | 1.00 | 1.00 | ||||
| Performed | 0.73 | 0.23–2.27 | 0.58 | 0.05 | 0.01–0.41 | <0.01 |
