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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.