Disability and rehabilitation · 2026
Reliability and validity of the Persian version of the arm function in multiple sclerosis questionnaire-short form (AMSQ-SF) for assessing upper limb function in multiple Sclerosis patients.
СтатьяВалидационное исследованиеНазвание и аннотация: Перевод в очереди
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Heidari Marzeih, Akbarfahimi Malahat, Nabavi Seyed Massood, Mokkink Lidwine B, Lajevardi Laleh, Taghizadeh Ghorban
Аннотация
PURPOSE: Upper extremity function is crucial for daily living activities. This study aimed to validate the Persian version of the 10-item Arm Function in Multiple Sclerosis Questionnaire-Short Form (AMSQ-SF) in individuals with multiple sclerosis (MS).
MATERIALS AND METHODS: In this cross-sectional study involving 201 individuals with MS, the AMSQ-SF was evaluated for reliability (test-retest in 50 participants) and construct validity against a battery of established performance-based and patient-reported outcome measures. Spasticity and disability levels were employed to evaluate the questionnaire's ability to differentiate between various subgroups.
RESULTS: The Persian AMSQ-SF demonstrated excellent reliability (ICC(2,1) = 0.94) and internal consistency (α = 0.95). Its strong construct validity was evidenced by correlations in the hypothesized directions with measures of grip strength, quality of life, self-reported function, dexterity, and fatigue. It differentiated patients with and without spasticity and various disability levels (p < 0.001). Clinically useful cutoff scores were established to classify impairment severity (mild ≥16, moderate ≥20, severe ≥26) with high sensitivity (70-81%) and specificity (85-95%).
CONCLUSIONS: The AMSQ-SF demonstrates strong validity and reliability as a questionnaire for individuals with MS, suitable for use in both research and rehabilitation settings.
MATERIALS AND METHODS: In this cross-sectional study involving 201 individuals with MS, the AMSQ-SF was evaluated for reliability (test-retest in 50 participants) and construct validity against a battery of established performance-based and patient-reported outcome measures. Spasticity and disability levels were employed to evaluate the questionnaire's ability to differentiate between various subgroups.
RESULTS: The Persian AMSQ-SF demonstrated excellent reliability (ICC(2,1) = 0.94) and internal consistency (α = 0.95). Its strong construct validity was evidenced by correlations in the hypothesized directions with measures of grip strength, quality of life, self-reported function, dexterity, and fatigue. It differentiated patients with and without spasticity and various disability levels (p < 0.001). Clinically useful cutoff scores were established to classify impairment severity (mild ≥16, moderate ≥20, severe ≥26) with high sensitivity (70-81%) and specificity (85-95%).
CONCLUSIONS: The AMSQ-SF demonstrates strong validity and reliability as a questionnaire for individuals with MS, suitable for use in both research and rehabilitation settings.