Table 4.
Screening performance characteristics of history and clinical examination in differentiating central and peripheral vertigo
| Screening characteristics | (95% Confidence Interval) |
|---|---|
| Sensitivity | 90 (57-99) |
| Specificity | 99 (97-99) |
| Positive predictive value | 76 (49-93) |
| Negative predictive value | 99 (98-99) |
| Positive likelihood ratio | 3.3 (1.9-9.4) |
| Negative likelihood ratio | 0.002 (0.0003-0.01) |