Table 2.
Patient characteristics in pre-VAP period
| All patients (n 71) | Nongradual VAP (n 28) | Gradual VAP (n 43) | p Value | |
|---|---|---|---|---|
| Airway bacterial colonization | 62 (87 %) | 19 (68 %) | 43 (100 %) | <0.001 |
| SOFA | 7.5 [5–10.5] | 8 [0–10] | 7 [5.5–10.5] | 0.922 |
| mCPIS | 5 [4–6] | 4 [1.5–5] | 5 [5–7] | 0.018 |
| PaO2/FiO2 | 200 [148–274] | 200 [140.5–267] | 200 [164–280] | 0.596 |
| Temperature, °C | 37 [36.2–38] | 36.4 [36–37.9] | 37.2 [36.6–38] | 0.05 |
| Leukocytes, cells/mm3 | 12,400 [7900–16,800] | 11,550 [8200–17,500] | 12,700 [7200–16,550] | 0.984 |
| CRP, mg/L | 134 [52–208] | 76 [13.5–164] | 159 [80–210] | 0.051 |
| PCT, ng/ml | 0.83 [0.37–3.96] | 0.78 [0.27–7.6] | 0.9 [0.43–2.16] | 0.953 |
SOFA sepsis organ failure score, mCPIS modified Clinical Pulmonary Infection Score, CRP C-reactive protein, PCT procalcitonin, PaO 2 /FiO 2 ratio of partial pressure of arterial oxygen to fraction of inspired oxygen, VAP ventilator-associated pneumonia
Results are expressed as median [interquartile range] for continuous variables and number (%) for categorical variables