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Table 3 Comparison of the three scoring systems in predicting the onset of BSI

From: Infection Probability Score, APACHE II and KARNOFSKY scoring systems as predictors of bloodstream infection onset in hematology-oncology patients

Tool Cut-off point Sensitivity (%) Specificity (%) AUC 95% CI PPV NPV
IPS score 10 75 70.9 0.72 0.62-0.83 37.06 92.54
APACHE II score 15 25 86 0.49 0.39-0.59 28.98 83.38
KARNOFSKY score 70 43.7 76.7 0.55 0.45-0.65 42.88 87.08
  1. PPV: Positive Predictive Value
  2. NPV: Negative Predictive Value