Translation and validation of the vertigo symptom scale into German: A cultural adaption to a wider German-speaking population

Table 3 Internal validity, reliability, discriminant validity results

		VSS-G	VSS-VER	VSS-AA
Cronbach's α [n = 202]		.904	.859	.864
ICC (CI) [n = 40]		.926 (.826/.965)	.920 (.854/.957)	.913 (.737/.963)
Medians Healthy [n = 52] vs. peripheral vest disorder [n = 90]	U	326.50	43.00	1046.50
	Z	−8.529*	−9.782*	−5.486 8*
Medians Healthy [n = 52] vs. central vest. disorder [n = 73]	U	153.500	22.000	467.500
	Z	−8.742*	−9.467*	−7.171*
Medians Healthy [n = 52] vs. multifactorial disorder [n = 39]	U	89.50	62.00	210.00
	Z	−7.421*	−7.797*	−6.456*
No anxiety [n=166] vs. abnormal anxiety [n = 36]	U	1776.50	2446.00	1427.00
	Z	−3.811*	−1.706	−4.912*

* Significant (2 tailed) at a <0.001 level.
VSS-G = VSS total score, VSS-VER = VSS vertigo subscale, VSS-AA = VSS somatic anxiety subscale. Mann–Whitney-U-test (U) 1) for comparison of median VSS-VER scores between healthy and diagnostic groups, 2) median VSS-AA scores between patients without and patients with anxiety (HADS-A ≥11).

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