Table 4.

Distribution of cells in BAL fluid.

Markers	Group	1 day	7 days	14 days
Total cell count (×106/mL)	Unexposed	0.65 ± 0.09	0.83 ± 0.15	0.67 ± 0.28
	Low	0.64 ± 0.08	0.87 ± 0.14	0.57 ± 0.12
	High	0.80 ± 0.15	0.57 ± 0.19	0.93 ± 0.04
Macrophages (×106/mL)	Unexposed	0.61 ± 0.08	0.80 ± 0.14	0.65 ± 0.26
	Low	0.62 ± 0.08	0.84 ± 0.13	0.55 ± 0.12
	High	0.78 ± 0.15	0.56 ± 0.18	0.91 ± 0.04
PMN (×106/mL)	Unexposed	0.00 ± 0.00	0.00 ± 0.00	0.00 ± 0.00
	Low	0.00 ± 0.00	0.01 ± 0.00	0.00 ± 0.00
	High	0.00 ± 0.00	0.00 ± 0.00	0.00 ± 0.00
Lymphocytes (×106/mL)	Unexposed	0.02 ± 0.01	0.02 ± 0.00	0.01 ± 0.01
	Low	0.01 ± 0.00	0.01 ± 0.00	0.00 ± 0.00
	High	0.01 ± 0.00	0.00 ± 0.00	0.01 ± 0.00

Mean ± SE.