Rapid screening questionnaire based on clinical symptoms of patientswith benign paroxysmal positional vertigo

Lin chuang er bi yan hou tou jing wai ke za zhi = Journal of clinical otorhinolaryngology, head, and neck surgery
J T BiQ Zhou

Abstract

Objective:To fomulate a rapid screening questionnaire for benign paroxysmal positional vertigo (BPPV) according to the symptoms of patients with BPPV. Method:A total of 276 patients with dizziness participated in this study, and 219 cases were included in the questionnaire validity evaluation except for 48 patients who participated in the revision of the questionnaire and 9 patients with inconsistent diagnosis. Subjects were divided into BPPV group and non-BPPV group according to the diagnostic criteria. ①All patients completed questionnaires based on positional dizziness, and the differences between the two groups were compared. ②Reliability test adopted test-retest reliability and Cronbach's α coefficient; content validity adopted expert judgment method, and structural validity adopted factor analysis. Result:①Reliability test: test-retest reliability was 0.945, Cronbach's α coefficient was 0.649. Validity test: KMO value was 0.720. Two factors were used with a characteristic root of higher than 0.9. The total cumulative contribution rate was 61.2%. ②Results of the questionnaire: The patients who developed dizziness when getting up/down or turning over in bed, accounted for 78(94.0%) in the BPPV group and 57(41.9%) in the non...Continue Reading

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