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. Author manuscript; available in PMC: 2016 Jan 19.
Published in final edited form as: Ann Surg Oncol. 2013 Jan 18;20(7):2339–2344. doi: 10.1245/s10434-012-2812-6

TABLE 4.

Multivariate analysis of pathologic parameters associated with disease recurrence

Variable HR (95 % CI) Pb
PNI 4.4 (1.8–10.9) 0.001
LVI 0.13
Necrosis 0.79
Tumor sitea 0.54

CI confidence interval, HR hazard ratio, LVI lymphovascular invasion, PNI perineural invasion

a

Initial tumor site was coded as rectum or anocutaneous area

b

Multivariate analysis was performed using the Cox proportional hazards regression method