Table 2.

Correlation of T cell infiltration (CD3) with clinical characteristics

		CD3 outer infiltration zone					CD3 inner infiltration zone					CD3 tumor center
		Low		High		p value	Low		High		p value	Low		High		p value
		n	%	n	%		n	%	n	%		n	%	n	%
Sex	Male	68	75.6	22	24.4	1.000	67	74.4	23	25.6	0.448	69	76.7	21	23.3	0.684
	Female	7	77.8	2	22.2		8	88.9	1	11.1		6	66.7	3	33.3
Age group	< 69	40	85.1	7	14.9	0.059	39	83	8	17	0.159	36	76.6	11	23.4	1.000
	> 69	35	67.3	17	32.7		36	69.2	16	30.8		39	75.0	13	25.0
Tumor stage	pT2	21	77.8	6	22.2	0.563	19	70.4	8	29.6	0.490	36	70.4	11	29.6	0.671
	pT3	51	73.9	18	26.1		53	76.8	16	23.2		39	78.3	13	21.7
	pT4	3	100.0	0	0		3	100	0	0		2	66.7	1	33.3
Lymph node metastasis	pN0	15	75.0	5	25.0	1.000	14	70	6	30.0	0.562	12	60.0	8	40.0	0.082
	pN +	60	75.9	19	24.1		61	77.2	18	22.8		63	79.7	16	20.3