Table 4.

Biomarker kinetics

	Pre-VAP CRP (mg/dl)	VAP CRP (mg/ml)	p Value	Pre-VAP PCT (ng/dl)	VAP PCT (ng/ml)	p Value
Nongradual VAP	76 [9.75–186]	200 [99–347]	0.565	0.78 [0.25–9.09]	1.41 [0.5–6.2]	0.006
Gradual VAP	159 [80–210]	132 [67.7–268.5]	0.502	0.9 [0.42–2.35]	1.42 [0.56–4.21]	0.008

CRP C-reactive protein, PCT procalcitonin, VAP ventilator-associated pneumonia