Table 1.

CXCL16 expression in tumor tissue and its association with clinical characteristics of patients with lung cancer.

Group	Subgroup	CXCL16		χ2	P value
		+	−
Age	<65	23	7	3.23	0.07*
	≥65	14	12
Gender	Male	20	14	2.03	0.15
	Female	17	5
Pathological type	SC	28	14	0.01	0.92
	AC	9	5
Tumor size	<3 cm	16	10	0.45	0.51
	≥3 cm	21	9
Lymphatic metastasis	Yes	26	6	7.64	0.01*
	No	11	13

SC – squamous cell carcinoma; AC – adenocarcinoma; ‘+’ – positive expression; ‘−’ – negative expression;

^*P<0.05.