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Table 3 BALF and serum IL-6 predictive values for ARDS development in patients at risk (n = 39, groups B+C).

From: The clinical significance of serum and bronchoalveolar lavage inflammatory cytokines in patients at risk for Acute Respiratory Distress Syndrome

  Criterion PPV NPV Sensitivity Specificity Prevalence 95% CI
BALF        
IL-6, (pg/mL) >195 44 100 100 62 24 0.62–0.91
Serum        
IL-6, (pg/mL) >255 44 95 88 65 24 0.60–0.90
  1. PPV: positive predictive value, NPV: negative predictive value. CI: confidence interval