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Table 4 Multivariable Cox regression analyses for cancer-specific survival of the patients with penile cancer

From: A modified clinicopathological tumor staging system for survival prediction of patients with penile cancer

Variable Training cohort External validation cohort
HR 95% CI P value HR 95% CI P value
T stage (≤ T2 vs. ≥ T3) 1.513 0.975–2.347 0.065 1.830 1.123–2.980 0.015
N stage (N0 vs. N +) 11.502 6.155–21.494 < 0.001 13.541 7.774–23.588 < 0.001
M stage (M0 vs. M1) 1.448 1.1161–1.805 0.001 1.218 0.971–1.528 0.088
Pathological grade (G1–2 vs. G3) 1.250 0.671–2.329 0.481 0.894 0.533–1.500 0.894
Lymphovascular embolization (yes vs. no) 1.587 1.253–2.011 0.001 1.359 1.029–1.796 0.031
Perineural invasion (yes vs. no) 1.088 0.841–1.407 0.522 1.242 0.944–1.634 0.121
  1. HR hazard ratio, CI confidence interval