Table 5 Confusion matrix based on optimized decision criteria.

From: Optimized preoperative determination of nerve of origin in patients with vestibular schwannoma

Superior vestibular nerve (SVN)

  

Surgical finding

Predictive value

SVN

not SVN

Positive

Negative

Predicted origin

SVN

21

6

0.78

 

Not SVN

9

44

 

0.68

 

Sensitivity

0.70

   

Specificity

 

0.88

  

Inferior vestibular nerve (IVN)

  

Surgical finding

Predictive value

IVN

not IVN

Positive

Negative

Predicted origin

IVN

34

8

0.81

 

Not IVN

11

27

 

0.44

 

Sensitivity

0.76

   

Specificity

 

0.77