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Table 3 Dichotomized ISS × 48-hour TC Relationship with Late VAP

From: Attenuated hypocholesterolemia following severe trauma signals risk for late ventilator-associated pneumonia, ventilator dependency, and death: a retrospective study of consecutive patients

ISS 48-hr. TC Accuracy % of 152 LVAP
Sensitivity
LVAP
PPV
OR P Value
≥ 20 ≥ 100 mg/dL 61.8% 41.5% 54.4% 49.2% 2.4 0.01
≥ 20 ≥ 90 mg/dL 61.2% 53.9% 70.2% 48.8% 3.0 0.002
≥ 20 ≥ 80 mg/dL 57.9% 63.8% 79.0% 46.4% 3.1 0.003
≥ 20 ≥ 70 mg/dL 53.9% 69.1% 80.7% 43.8% 2.6 0.02
  1. ISS, Injury Severity Score; TC, total cholesterol; LVAP, late ventilatory-associated pneumonia; PPV, positive predictive value; OR, odds ratio.