Table 1.
Diagnostic test characteristics.
| SSCD Group | Symptomatic SSCD | |||||
|---|---|---|---|---|---|---|
|
Sensitivity (N) |
Specificity (N) |
Relative risk, 95% CI, p-value |
Sensitivity (N) |
Specificity (N) |
Relative risk, 95% CI, p-value |
|
| APT | 66.7% (27) | 72.1% (43) | 2.67, 1.540 to 5.08, p = 0.003 | 71.4% (21) | 75% (12) | 2.08, 1.08 to 4.00, p = 0.028 |
| cVEMP, thresh < 85 dB (500 Hz) | 55.0% (20) | – | – | 52.9% (17) | – | – |
| oVEMP, thresh < 85 dB (500 Hz) | 50.0% (20) | – | – | 52.9% (17) | – | – |
| oVEMP amp > 17 μV (500 Hz) | 68.2% (22) | – | – | 77.8% (18) | – | – |
| oVEMP, amp > 0 μV (4 kHz) | 42.9% (14) | – | – | 46.2% (13) | – | – |
| SNT | 50.0% (22) | 85.7% (42) | 2.77, 1.48 to 5.17, p = 0.001, | 62.5% (16) | 91.7% (12) | 2.58, 1.32 to 5.03, p = 0.006 |
| APT or, oVEMP amp > 17 μV (500 Hz) | 88.9% (27) | – | – | 94.4% (18) | – | – |
N, total number; SSCD, superior semicircular canal dehiscence; APT, ambient pressure tympanometry; VEMP, vestibular evoked myogenic potential; oVEMP, ocular VEMP; cVEMP, cervical VEMP; amp, amplitude; thresh, threshold; SNT, supranormal threshold; CI, confidence interval.