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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

CT

 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