Table 4.
Statistical value analyzing medx system in a one-class problem and taking into consideration the first diagnosis suggested by the medx system.
| Diagnosis made in outpatient clinic | Statistical value of first diagnosis suggested by medx system |
||||
|---|---|---|---|---|---|
| Sensitivity (%) | Specificity (%) | PPV (%) | NPV (%) | Accuracy (%) | |
| Phobic postural vertigo | 80.5 | 82.5 | 52.5 | 94.6 | 82.1 |
| Menière’s disease | 77.8 | 97.6 | 87.5 | 95.3 | 94.1 |
| Vestibular migraine | 34.7 | 97.8 | 76.1 | 88.3 | 87.4 |
| Benign paroxysmal positioning vertigo | 61.7 | 98.3 | 86.6 | 93.4 | 92.6 |
| Bilateral vestibulopathy | 81.6 | 97.1 | 71.4 | 98.4 | 95.9 |
| Downbeat nystagmus | 69.6 | 97.7 | 71.1 | 97.5 | 95.6 |
| Vestibular neuritis | 42.3 | 99.0 | 64.7 | 97.5 | 96.6 |
| Other cerebellar disorders | 46.2 | 98.8 | 63.2 | 97.6 | 96.6 |
| Others | 59.5 | 89.8 | 30.1 | 96.8 | 87.7 |
PPV, positive predictive value; NPV, negative predictive value.