ArticlePatient related outcome measures2025
Psychometric Validation of the Speed of Change in Feeling of Health (SCFH) Questionnaire: Findings from the NEWTON Sub-Study in Italian Asthma Patients.
Article in Patient related outcome measures, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Purpose: Speed of clinical response to a new therapeutic intervention is a critical determinant of the overall treatment outcomes, but tools focused on asthma response speed are currently unavailable. This study aimed to validate the psychometric properties of a new questionnaire initially written in Italian, the Speed of Change in Feeling of Health (SCFH), in patients with asthma. Patients and Methods: Two hundred and seventy subjects with not-well- or poorly controlled asthma, enrolled in the Italian sites of the NEWTON real-world study, were asked to complete the provisional version of SCFH and three validated questionnaires, the Stanford Expectation of Treatment Scale (SETS), the 5-item version of the Asthma Control Questionnaire (ACQ-5), and the Global Rating Scale (GRS). Internal consistency and validity were determined. Moreover, we assessed the minimal clinically important difference (MCID) using anchor-based method. Results: One hundred and ninety-six patients completed the questionnaire at least once at 7 (±1), 14 (±2), or 30 (±3) days after starting BDP/FF NEXThaler Conclusion: The Italian version of SCFH-8 is a valid, short tool with good psychometric properties for determining the speed of change in health perception after starting treatment.
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