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Table 4 Agreement (sensitivity, specificity, and accuracy) for CT as compared to surgical diagnosis by drainage (n = 66)

From: Biphasic CT imaging of deep neck infections (DNIs): how does dual injection mode helps in differentiation between types of collections?

  Surgical Sensitivity Specificity PPV NPV Accuracy
Not Abscess
 Not abscess 2 0 100.0 28.57 92.19 100.0 92.42
 Abscess 5 59
  1. PPV positive predictive value, NPV negative predictive value