MCP-4 and Eotaxin-3 Are Novel Biomarkers for Chronic Obstructive Pulmonary Disease

Table 3

The association between MCP-4/eotaxin-3 production and clinical features of COPD patients.

	n	MCP-4 expression		χ^2		Eotaxin-3 expression		χ^2
		−	+			−	+
Age				0.028	0.866			0.059	0.807
≥60	36	11	25			9	27
<60	11	3	8			3	8
Gender				0.053	0.818			0.003	0.956
Male	33	10	23			8	25
Female	14	4	10			4	10
Smoking history				0.200	0.655			0.018	0.892
Nonsmoker	13	5	8			3	10
Smoker	34	9	25			9	25
Disease severity				4.785	0.029			5.802	0.016
Stable	12	9	3			8	4
AECOPD	35	5	30			4	31