Table 1. Demographic characteristics, clinical course, and lab results of 69 patients with VAT.

Variables	n (%)
Gender
Male Female	41 (59.4) 28 (40.5)
Cause of hospitalization
Medical Surgical	37 (53.6) 32 (46.3)
Clinical course
Fever reduction Reduced tracheal secretions Progression to VAP Recovery Death	68 (98.5) 45 (65.2) 23 (33.3) 31 (44.9) 38 (55.0)
White blood cells in high power field, n = 29
< 5 5–10 11–20 > 20	6 (20.6) 6 (20.6) 13 (44.8) 4 (13.7)
Age, mean ± SD	55.9 ± 21.9
Age group, years
10–29 30–49 50–69 70–89	11 (15.9) 17 (24.6) 18 (26.0) 23 (33.3)

VAT: ventilator-associated tracheobronchitis; VAP: ventilator-associated pneumonia; SD: standard deviation.