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Table 3 Value of PCT in predicting ARDS

From: Higher incidence of acute respiratory distress syndrome in cardiac surgical patients with elevated serum procalcitonin concentration: a prospective cohort study

 

For ARDS

For moderate-to-severe ARDS

Sensitivity (95% CI)

59.3% (38.8%, 77.6%)

100% (63.1%, 100%)

Specificity (95% CI)

81.4% (76.2%, 85.9%)

79.9% (74.8%, 84.3%)

Positive predictive value (95% CI)

0.242 (0.145, 0.364)

0.121 (0.054, 0.225)

Negative predictive value (95% CI)

0.952 (0.916, 0.976)

1.0 (0.984, 1)

Positive likelihood ratio (95% CI)

3.19 (2.1, 4.8)

4.97 (3.9, 6.2)

Negative likelihood ratio (95% CI)

0.50 (0.3, 0.8)

< 0.01

  1. Using a cut-off value of 6.5 ng/mL
  2. ARDS acute respiratory distress syndrome