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Multivariate analysis – lymph node positive subgroup
| Parameter | Hazard ratio (Confidence Interval) | p Value |
|---|---|---|
| Age (Unit = 10 years) | 1.57 (1.24–2.0) | 0.0002 |
| No adjuvant therapy | 1.73 (1.07–3.25) | 0.006 |
| >5 cm tumor size versus < 5 cm | 1.68 (1.08–2.62) | 0.018 |
• Other variables tested and not significant: insurance group.
