Table 2.

Correlation between the quantity of CD3 and CD8 (centerv.s.margin) positive cells, and overall survival in classical type and intermediate cell carcinoma

	Overall survival time
	Classical type (n =49)	Intermediate cell carcinoma (n =23)
Tumor center, CD3+T cell	ρ =0.365**	ρ =0.135
Tumor margin,CD3+T cell	ρ =0.705**	ρ =0.641**
Tumor center, CD8+T cell	ρ =0.084	ρ =0.366
Tumor margin,CD8+T cell	ρ =0.700**	ρ =0.617**

ρ: spearman’ s correlation coefficient

*P < 0.05

**P < 0.01

***P < 0.001