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Table 4 Sensitivity, specificity, PPV, NPV, and accuracy for predicting a complication given specific cutoff times during resuscitation course

From: Prolonged resuscitation of metabolic acidosis after trauma is associated with more complications

Cutoff time (hours) Sensitivity (%) Specificity (%) PPV (%) NPV (%) Accuracy (%)
2 74 26 50 65 50
3 70 36 52 54 53
6 46 67 57 55 56
9 35 82 66 56 58
11.25 32 86 70 56 61
12 26 87 66 54 59
18 12 91 67 51 52
24 9 96 69 51 52
  1. PPV positive predictive value, NPV negative predictive value