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Table 3 Multivariate analysis of the statistically significant predictive factors for positive surgical margins among patients undergoing radical nephrectomy for renal masses

From: Positive surgical margin following radical nephrectomy is an independent predictor of local recurrence and disease-specific survival

Variable

HR

95 % CI

P value

Tumour size

0.4

0.4–0.5

0.001

Tumour necrosis

5.0

1.8–14

0.002

Tumour stage (pT3–4 compared with pT1–T2)

5.5

1.9–15.9

0.002

  1. Abbreviations: HR hazard ratio, CI confidence interval