TABLE 1

Characteristics of 30 healthy adult subjects enrolled in the study^a

Sampling time (h)	No. and sex of patients^b	Age (yr)	Height (cm)	Weight (kg)	eCL_CR^c (ml/min)	Total cell count in BAL fluid (cells/mm³)	Macrophages (%)
All subjects	18 M, 12 F	42 ± 11	173 ± 9	79.7 ± 11.8	110 ± 22	145 ± 159	81 ± 10
1	3 M, 3 F	46 ± 12	168 ± 5	71.6 ± 7.0	93 ± 23	114 ± 61	82 ± 6
2.5	3 M, 3 F	45 ± 6	174 ± 8	82.2 ± 10.0	115 ± 15	137 ± 87	82 ± 17
3.25	5 M, 1 F	33 ± 10	176 ± 8	84.3 ± 11.8	111 ± 15	141 ± 57	86 ± 6
4	3 M, 3 F	46 ± 13	170 ± 12	76.6 ± 14.7	103 ± 17	267 ± 368^d	78 ± 10
6	4 M, 2 F	37 ± 12	176 ± 8	80.0 ± 12.6	122 ± 31	72 ± 54	75 ± 10

↵a Data are expressed as means ± SDs except for the data on sex.
↵b M, male; F, female.
↵c eCL_CR, estimated creatinine clearance based on Cockcroft-Gault equation (31).
↵d One subject at this sampling time had an extremely high total cell count of 900 cells/mm³.