. Author manuscript; available in PMC: 2016 Jun 29.

Published in final edited form as: Head Neck. 2015 Sep 3;38(Suppl 1):E1285–E1293. doi: 10.1002/hed.24213

TABLE 3.

Pathological risk factors.

Pathological characteristics	Odds ratio	p value
T classification T3/T4	2.07	.31
N classification	2.11	.48
ECE	4.66	.11
PNI	0.96	1
Margin status (negative vs close/positive)	1.93	.51

Abbreviations: ECE, extracapsular extension; PNI, perineural invasion.