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Year : 2020  |  Volume : 33  |  Issue : 2  |  Page : 351-356

Development of the Arabic version of the Vertigo Symptom Scale-Short Form: Validity and reliability

1 Department of Otolaryngology, Audiology Unit, Menoufia University, Menoufia, Egypt
2 Department of Otolaryngology, Faculty of Medicine, Menoufia University, Menoufia, Egypt
3 ENT Department, Ashmoon Hospital, Faculty of Medicine, Menoufia University, Menoufia, Egypt

Correspondence Address:
Mariam Elsayed Gad
Salah El-dein El-Ayobi Street, Ashmoun, Menoufia Governorate 32811
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/mmj.mmj_31_19

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Objectives To translate the vertigo Symptom Scale-Short Form (VSS-SF) into Arabic and cross-cultural adaptation along with examining its validity and reliability. Background The VSS-SF is a common self-assessment dizziness questionnaire that assesses aspects of vertigo and vertigo-related anxiety which has two subscales: vestibular/balance subscale and autonomic/anxiety subscale. The VSS-SF can differentiate between a pure vestibular disorder and vertigo associated with anxiety. Patients and methods The VSS-SF was translated into Arabic and then cross-cultural adaptation was carried out. The questionnaire was completed by: study group (n = 60) patients diagnosed with vestibular disorders and healthy participants with no history of vertigo (n = 120). Internal consistency and test–retest reliability of the scale were examined by Cronbach's α and Spearman's correlation coefficients subsequently. Discriminant validity of the scale was examined by the Mann–Whitney U test and the receiver-operating characteristic curve. Results The Arabic VSS-SF showed good reliability for the total scale and its subscales with Cronbach's α coefficients (range, 0.716–0.880). Test–retest correlation showed high repeatability of the Arabic VSS-SF total score and its subscales such as Spearman's coefficient (range, 0.985–0.988). The Arabic VSS-SF discriminative ability was excellent to discriminate between the study group and healthy individuals using the Mann–Whitney test (P < 0.001). Conclusion The Arabic version of VSS-SF is a valid and reliable tool that is able to differentiate between dizzy patients and healthy people and patients with pure vestibular symptoms and patients with comorbid anxiety, in the Arabic populations.

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