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Table 4 False Positive and False Negative Calculations

From: Assessing patient safety in a pediatric telemedicine setting: a multi-methods study

 

Should have been referred to ED

Should not have been referred to ED

ED Referral, Yes (by the online physician)

87 TP

9 FP

ED Referral, No (by the online physician)

18 FN

225 TN

  1. Sensitivity = TP/ (TP + FN) = 87/105 = 82.85%
  2. Specificity = TN/ (FP + TN) = 225/234 = 96.1%
  3. PPV = TP/ (TP + FP) = 87/ (87 + 9) = 90.62%
  4. NPV = TN/ (TN + FN) = 225/ (225 + 18) = 92.59%