Table 1.

Patient characteristics

Characteristics	Patients (n=67)
Age in years; mean+sd,(range)	61.4+16.4, (20–93)
Males	36 (54 %)
LOS (ICU) in days, mean+sd, median (range)	15.4+15.3, 11 (2–85)
Days on ventilator, mean+sd, median (range)	15.5+21.9, 7 (1–101)
No. of patient with trach	11 (16 %)
Received antibiotics before BAL	58 (87 %)
Patients with PMN >=80 (n=66)	31 (47 %)
Patients with positive culture	16 (24 %)

BAL, bronchoalveolar lavage; LOS, length of stay; PMN, polymorphonuclear neutrophils.