Table 2.

Associations between the various clinicopathological factors and the presence of LNM and PNI

			LNM			PNI
			Positive	Negative		Positive	Negative
Features		NO. of patients	n = 65	n = 97	P-value	n = 83	n = 79	P-value
Age(years)	<60	89	39	50	NS	41	48	NS
	≥60	73	26	47		42	31
Gender	female	60	22	38	NS	28	32	NS
	male	102	43	59		55	47
Localtion	head	117	53	64	P = 0.03	59	58	NS
	body/rear	45	12	33		24	21
Size	<4	74	33	41	NS	38	36	NS
	≥4	88	32	56		45	43
Differentiation	Poor	31	11	20	NS	17	14	NS
	Moderate/Well	131	54	77		66	65

LNM: Lymph node metastasis; PNI: perineural invasion; NS: not significant