Evaluation of the immune factors in the tumor environment before and after the treatment of cetuximab combined with chemotherapy

Table 6 The correlation of the expression of immune factors after treatment was examined by the Spearman’s correlation analysis

		CD8	IL-2	VEGF	TNF-α
IL-2	Correlation coefficient	−0.138
	P value	0.669
	Sample size	12
VEGF	Correlation coefficient	0.173	0.252
	P value	0.592	0.429
	Sample size	12	12
TNF-α	Correlation coefficient	0.270	0.004	0.153
	P value	0.396	0.989	0.634
	Sample size	12	12	12
TGF-β	Correlation coefficient	−0.664^a	0.074	−0.167	0.113
	P value	0.019	0.820	0.604	0.725
	Sample size	12	12	12	12

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