Table 2.

Clinical utility indices for modified HS-SOT test conditions for distinguishing between patients with caloric unilateral weakness ≥ 25% (n = 10) and patients without significant caloric unilateral weakness (n = 5).

Condition	Sensitivity	Specificity	False Negative Rate (100− sensitivity)	False Positive Rate (100− specificity)	Positive Likelihood Ratio	Negative Likelihood Ratio	AUC	Cut-point*
SOT2a	80	20	20	80	1.00	0.50	0.44	≤91.15
HS 2 60°/sb	60	40	40	60	1.00	1.00	0.45	≤92.00
HS 2 120°/   sc	44	33	56	67	0.65	1.69	0.37	≤89.34
SOT5d	50	40	50	60	0.83	1.25	0.34	≤62.17
HS 5 15°/se	70	100	30	0	0	0.3	0.90	≤51.67
HS 5 60°/sf	70	60	30	40	1.75	0.75	0.69	≤37.58
Slopeg	60	60	40	40	1.5	0.66	0.70	≤−13.06

^*Cut-point value represents equilibrium score discriminating between patients and healthy controls for identifying peripheral vestibular system involvement.

^aSensory Organization Test (SOT) Conditions 2.

^bHead-shake posturography SOT condition 2 with horizontal head movements at 60°/s.

^cHead-shake posturography SOT condition 2 with horizontal head movements at 120°/s.

^dSensory Organization Test (SOT) Condition 5.

^eHead-shake posturography SOT condition 5 with horizontal head movements at 15°/s.

^fHead-shake posturography SOT condition 2 with horizontal head movements at 60°/s.

^gSlope of linear regression best fit line between condition task difficulty (^a–f) equilibrium scores.