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 | ||||