Validation of using 2-item and 5-item of the Dizziness Handicap Inventory Thai version for screening Benign Paroxysmal Positional Vertigo (BPPV) in Thai population
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Abstract
Abstract
Objective: To validate the use of total score, 5-item score, and 2-item score of the Thai version
of the Dizziness Handicap Inventory (DHI-TH) for screening benign paroxysmal positional vertigo
(BPPV) in Thai population.
Study Design: A retrospective electronic medical chart review
Setting: Tertiary care teaching hospital
Patients: A total of 60 electronic medical records of patients who were diagnosed with BPPV at the
vestibular clinic were identified during the period from January 2021 to May 2022. The electronic
medical records of another 60 patients with other vestibular disorders were also reviewed.
Main Outcome Measures: The total score, 2-item score, and 5-item score of the DHI-TH were obtained.
Results: The area under the receiver operating characteristic curve (AUC) of the 2-item and 5- item
score for predicting BPPV was 0.855 (95% confidence interval: 0.788-0.923) and 0.806 (95%
confidence interval: 0.728-0.884), respectively. Using a cut-off value of 6 in the 2-item score had
a good sensitivity of 73.33%, specificity of 80% in discriminating BPPV from those without BPPV.
For the 5-item score, a cut-off value of 15 had 63.33% sensitivity and 90% specificity in
separating BPPV from non-BPPV.
Conclusions: Both 5-item and 2-item scores from the DHI-TH are valid for initial BPPV screening. We
recommend using 2-item score due to its time efficiency, aligning with comparable
sensitivity and specificity observed in the 5-item score.
Keywords: Benign paroxysmal positional vertigo—Dizziness—Screening—Dizziness Handicap
Inventory
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ต้นฉบับที่ส่งมาพิจารณายังวารสารหู คอ จมูก และใบหน้า จะต้องไม่อยู่ในการพิจารณาของวารสารอื่น ในขณะเดียวกันต้นฉบับที่จะส่งมาจะผ่านการอ่านโดยผู้ทรงคุณวุฒิ หากมีการวิจารณ์หรือแก้ไขจะส่งกลับไปให้ผู้เขียนตรวจสอบแก้ไขอีกครั้ง ต้นฉบับที่ผ่านการพิจารณาให้ลงตีพิมพ์ถือเป็นสมบัติของวารสารหู คอ จมูกและใบหน้า ไม่อาจนำไปลงตีพิมพ์ที่อื่นโดยไม่ได้รับอนุญาต
ตารางแผนภูมิ รูปภาพ หรือข้อความเกิน 100 คำที่คัดลอกมาจากบทความของผู้อื่น จะต้องมีใบยินยอมจากผู้เขียนหรือผู้ทรงลิขสิทธิ์นั้นๆ และใหร้ะบุกำกับไว้ในเนื้อเรื่องด้วย
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