VAP checklist items associated with clinician diagnosed VAP: multivariate analysis model (all 5 items)
| Item number | Item | OR | 95% CIs | p Value |
|---|---|---|---|---|
| 1 | PF ratio ≤300 mm Hg (n=855) | 1.58 | 0.61 to 3.99 | 0.338 |
| 2 | Sputum changes (n=306) | 1.27 | 0.55 to 2.86 | 0.566 |
| 3 | CXR infiltrates (n=143) | 2.07 | 0.82 to 5.19 | 0.115 |
| 4 | Inflammatory response (n=793) | 3.88 | 1.38 to 10.98 | 0.010 |
| 5 | Microbial growth (n=11) | 1.52 | 0.59 to 3.87 | 0.375 |
PF ratio, PaO2/FiO2 ratio.
CXR, chest X-ray; PaO2/FiO2 ratio, arterial oxygen tension/fraction of inspired oxygen; VAP, ventilator-associated pneumonia.