Table 1.

Results of Tandem Stance Test, SVV and SVH Tests, Dizziness Severity and Dynamic Visual Acuity Parameters

		Pre- (n = 30)		Post-(n = 30)		Z	p
		Mean ± SD	Median (min–max)	Mean ± SD	Median (min–max)
Tandem Stance Test	Eyes Open	25.70 ± 8.84	30.00 (2.36–30.00)	30.00 ± 0.00	30.00 (30.00- 30.00)	− 2.366	0.018*
	Eyes Closed	10.99 ± 11.10	6.36 (0.00–30.00)	27.66 ± 5.20	30.00 (11.35–30.00)	− 4.458	0.000*
SVV and SVH Tests	SVV Sitting Down	0.67 ± 0.76	1.00 (0.00–3.00)	0.13 ± 0.346	0.00 (0.00–1.00)	− 2.782	0.005*
	SVH Sitting Down	0.77 ± 1.04	0.00 (0.00–3.00)	0.13 ± 0.43	0.00 (0.00–2.00)	− 3.094	0.002*
	SVV Hard Floor	1.03 ± 0.85	1.00 (0.00–3.00)	0.23 ± 0.43	0.00 (0.00–1.00)	− 3.621	0.000*
	SVH Hard Floor	1.00 ± 1.17	1.00 (0.00–4.00)	0.27 ± 0.52	0.00 (0.00–2.00)	− 3.027	0.002*
	SVV Soft Floor	1.37 ± 0.89	1.00 (0.00–3.00)	0.13 ± 0.35	0.00 (0.00–1.00)	− 4.210	0.000*
	SVH Soft Floor	1.53 ± 1.17	2.00 (0.00–4.00)	0.20 ± 0.61	0.00 (0.00–2.00)	− 3.895	0.000*
Dizziness Severity		7.15 ± 1.36	7.30 (4.20–9.30)	1.06 ± 2.02	0.000 (0.00–9.30)	− 4.763	0.000*
Dynamic Visual Acuity		0.49 ± 0.31	0.50 (0.00–0.90)	0.14 ± 0.20	0.10 (0.00–0.80)	− 3.924	0.000*

Wilcoxon Test; SVV: Subjective Visual Vertically; SVH: Subjective Visual Horizontally; SD: Standard Deviation; n: Number of Persons; min: minimum; max: maximum; *(p ≤ 0.05)