Table 2.

Cytokine levels in plasma and BALF (ng/ml).

	Control	Exercise	LPS	Exercise+LPS	P
IL-6 BALF	0.015 ± 0.002	0.011 ± 0.005	0.541 ± 0.445a	0.767 ± 0.664	<0.001
IL-6 plasma	0.016 ± 0.008	0.011 ± 0.003	0.096 ± 0.029a	0.059 ± 0.037	≤0.001
IL-10 BALF	0.009 ± 0.032	0.050 ± 0.048	0.066 ± 0.072	0.056 ± 0.041	ns
IL-10 plasma	0.013 ± 0.034	0.058 ± 0.278	0.351 ± 0.176a	0.111 ± 0.215	0.027
IL-1β BALF	0.150 ± 0.033	0.106 ± 0.060	0.161 ± 0.186a	0.357 ± 0.246b	<0.02
KC BALF	0.017 ± 0.011	0.013 ± 0.007	0.596 ± 0.233a	0.626 ± 0.121	<0.001
TNF-α BALF	0.018 ± 0.016	0.028 ± 0.018	0.027 ± 0.017	0.032 ± 0.029	ns

^a indicates the significant effect of LPS in increasing cytokine levels; ^b indicates the significant interaction effect of LPS and exercise in increasing the cytokine level; values are means ± SD. BALF, bronchoalveolar lavage fluid; LPS, lipopolysaccharide; ns, non-significant.