Table 3

VAP checklist items associated with clinician diagnosed VAP: multivariate analysis model (all 5 items)

Item numberItemOR95% CIsp Value
1PF ratio ≤300 mm Hg (n=855)1.580.61 to 3.990.338
2Sputum changes (n=306)1.270.55 to 2.860.566
3CXR infiltrates (n=143)2.070.82 to 5.190.115
4Inflammatory response (n=793)3.881.38 to 10.980.010
5Microbial growth (n=11)1.520.59 to 3.870.375
  • PF ratio, PaO2/FiO2 ratio.

  • CXR, chest X-ray; PaO2/FiO2 ratio, arterial oxygen tension/fraction of inspired oxygen; VAP, ventilator-associated pneumonia.