Table 4. Levels of GM-CSF in plasma and BAL fluid^*.

Plasma GM-CSF (pg/ml)	pretreatment	days 1-5	days 6-11
Placebo	5.39±11.43	5.98±11.53	5.12±10.13
GM-CSF	8.86±13.11	7.69±15.83	6.39±13.39
BAL GM-CSF (pg/ml)
Placebo	23.64±32.11	6.65±11.21	7.29±5.96
n	24	21	12
GM-CSF	21.51±37.68	22.07±51.4	15.84±26.39
n	20	25	18

^*GM-CSF levels were measured at baseline (prior to randomization and treatment) and subsequently after initiation of study drug in the time frame indicated.

Data are expressed as mean ± SD.