Table 2.
Diagnostic performance metrics of the HINTS and HINTS Plus tests
| Variables | Sensitivity (95% CI) |
Specificity (95% CI) |
+LR (95% CI) |
-LR (95% CI) |
PPV (95% CI) |
NPV (95% CI) |
Accuracy (95% CI) |
|---|---|---|---|---|---|---|---|
| HINTS-Plus | 80.65% (68.63–89.58) | 82.63% (77.18–87.24) | 4.64 (3.42–6.29) | 0.23 (0.14–0.38) | 54.95% (47.37–62.3) | 94.2% (90.69–96.44) | 82.21% (77.39–86.38) |
| Head impulse | 70.97% (58.05–81.8) | 87.29% (82.35–91.26) | 5.58 (3.85–8.08) | 0.33 (0.22–0.49) | 59.46% (50.32–67.99) | 91.96% (88.55–94.43) | 83.89% (79.22–87.88) |
| Nystagmus | 37.1% (25.16–50.31) | 97.46% (94.55–99.06) | 14.59 (6.21–34.27) | 0.65 (0.54–0.79) | 79.31% (62.01-90) | 85.5% (82.95–87.73) | 84.9% (80.32–88.77) |
| Test of skew | 37.1% (25.16–50.31) | 92.80% (88.72–95.75) | 5.15 (2.94–9.03) | 0.68 (0.56–0.83) | 57.5% (43.57–70.34) | 84.88% (82.22–87.21) | 81.21% (76.3-85.48) |
| Hearing loss |
4.84% (1.01–13.5) |
97.88% (95.13–99.31) | 2.28 (0.56–9.28) | 0.97 (0.91–1.03) | 37.5% (12.85–70.95) | 79.66% (78.68–80.6) | 78.52% (73.42–83.05) |
| HINTS | 79.03% (66.82–88.34) | 83.9% (78.58–88.35) | 4.91 (3.57–6.75) | 0.25 (0.15–0.41) | 56.32% (48.4-63.93) | 93.84% (90.35–96.12) | 82.89% (78.12–86.98) |