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Table 5 Cox proportional-hazard regression analysis for tumor recurrence (method “backward”)

From: Recurrences in stage II rectal carcinoma after curative resection alone: from the viewpoint of angiogenesis

Covariate p value OR (95 % CI)
Type of surgery (LAR versus APR) 0.0086 4.1103 1.4397–11.7346
Tumor size (≤4 versus >4 cm) 0.0577 0.3356 0.1093–1.0302
MVD in tumors (≤106.2 versus >106.2) 0.0385 0.3330 0.1182–0.9384
MVD in DRM (≤186.3 versus >186.3) 0.0537 2.9359 0.9885–8.7195
MVD in PRM (≤27.8 versus >27.8) 0.0218 0.2778 0.0935–0.8255
  1. Overall model fit χ 2 = 23.20, p = 0.0003
  2. MVD microvessel density, OR odds ratio, 95 % CI confidence interval, DRM distal resection margin, PRM proximal resection margin