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Multivariate analysis – all patients
| Parameter | Hazard ratio (Confidence Interval) | p Value |
|---|---|---|
| Lymph node positive | ||
| 4–11 versus 0 | 2.61 (1.57–4.35) | <0.0001 |
| 1–3 versus 0 | 2.29 (1.75–3.10) | <0.0001 |
| Surgical margins | ||
| Involved versus negative | 1.64 (1.15–2.34) | 0.0021 |
| Male versus female | 1.34 (1.06–1.69) | 0.0132 |
| >5 cm tumor versus < 5 cm | 1.30 (1.01–1.65) | 0.0452 |
*Other variables tested and not significant: primary site, regional lymph nodes examined, urban/rural location.
