Table 3.

Pathogens associated with ventilator-associated pneumonia.^*

Pathogens	PCT Group (n = 24)	Conventional group (n = 26)	p value
Pseudomonas aeruginosa	11 (45.8%)	7 (26.9 %)	0.16
Acinetobacter baumannii	9 (37.5%)	12 (46.1%)	0.54
Klebsiella pneumoniae	4 (16.7%)	3 (11.5%)	0.7
Stenotrophomonas maltophilia	1 (4.2%)	2 (7.7%)	0.48
Mixed gram-negative rod	1 (4.2%)	3 (11.5%)	0.61
Methicillin-resistant Staphylococcus aureus	1 (4.2%)	8 (30.8%)	0.02
Methicillin-sensitive Staphylococcus aureus	1 (4.2%)	0	0.48
Multiple pathogens	6 (25%)	5 (19.2%)	0.62
Multidrug-resistant pathogens§	14 (58.3%)	17 (65.4%)	0.61

^*Data are presented as n (%).

^§Multidrug resistant: nonsusceptible to ≥1 agent in ≥3 antimicrobial categories.

PCT, procalcitonin.