TABLE 2.

Correlations of cytokines and chemokines in BAL samples at day 4

Cytokine or chemokine	Correlation with:
	M. pneumoniae cultures			HPS			AOa			AHRb			Cethromycin therapy
	r	P	n	r	P	n	r	P	n	r	P	n	r	P	n
IL-1β	0.2	0.4	15	0.5	0.05	19	0.3	0.2	16	0.6	0.02	16	−0.5	0.03	19
IL-2	0.3	0.3	15	0.5	0.01	19	0.4	0.2	16	0.4	0.1	16	−0.4	0.09	19
TNF-α	0.2	0.3	19	0.7	<0.001	23	0.4	0.09	20	0.3	0.2	20	−0.6	0.005	23
IL-12	0.5	0.06	15	0.5	0.02	19	0.6	0.01	16	0.4	0.2	16	−0.7	0.002	19
IFN-γ	0.7	0.004	15	0.7	<0.001	19	0.7	<0.001	16	0.6	0.01	16	−0.6	0.008	19
IL-4	0.03	0.9	15	0.4	0.1	19	0.3	0.2	16	0.4	0.1	16	−0.1	0.5	19
GM-CSF	0.02	0.9	15	0.3	0.1	19	0.08	0.7	16	0.3	0.2	16	0.05	0.8	19
IL-8	0.2	0.4	19	0.3	0.1	23	0.4	0.1	20	0.4	0.04	20	−0.4	0.003	23
MCP-1	0.3	0.3	19	0.6	0.001	23	0.6	0.005	20	0.4	0.07	20	−0.8	<0.001	23
MIP-1α	0.2	0.3	19	0.6	0.007	22	0.5	0.05	19	0.2	0.3	19	−0.8	<0.001	22

^aAO, airway obstruction.

^bAHR, airway hyperreactivity.