Differential cell counts of BEC and PMN in induced sputum

	PMN HM%	PMN M%	BEC HM %	BEC M%
PRE	19.0±14.5	24.3±20.3	3.9±7.7	0.3±0.5
RACE	47.8±19.9*	48.3±17.4*	28.4±13.8§	21.9±10.6§
POST	51.5±18.4*	50.7±11.3*	2.1±1.6	5.3±2.3

* p<0.05 vs PRE, § p<0.05 vs PRE and POST