The Laryngoscope · 2024
Singing Voice Handicap Index-10 Minimal Clinically Important Difference: A Prospective Determination.
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Perrin Claire E, Young VyVy N, Ma Yue, Rosen Clark A, Stockton Steven D, Schneider Sarah L
Аннотация
BACKGROUND/OBJECTIVES: The Singing Voice Handicap Index-10 (SVHI-10) is a validated patient-reported outcome measure (PROM) that assesses patients' perception of handicap related to singing voice. A normative value has been established with a score ≥20 being abnormal. However, there is no defined minimal clinically important difference (MCID). This study prospectively determines the MCID of SVHI-10 among a diverse group of singers.
METHODS: 103 adult singers with and without voice complaints completed SVHI-10 twice, 30 days apart. MCID for the SVHI-10 was determined using distribution-based receiver-operating characteristic (ROC) curve analysis.
RESULTS: Twenty-two men (1 transgender), 75 women (1 transgender), and 6 nonbinary individuals participated. The most frequently reported singing genres were classical (44.7%), musical theater (17.5%), and pop (10.7%). Mean initial SVHI-10 score was 13.05 (standard deviation 7.397), and mean follow-up SVHI-10 was 13.13 (7.994). There was a significant positive correlation between initial and follow-up SVHI-10 scores (r = 0.879, p < 0.001). SVHI-10 scores were significantly higher among participants who reported voice changes in the past year (p < 0.001) or sought voice treatment (p = 0.001) compared with participants who did not. SVHI-10 scores varied significantly based on singing type. The area under the ROC curve for SVHI-10 was 0.700 (p = 0.003). The SVHI-10 MCID was determined to be 9.5.
CONCLUSIONS: An SVHI-10 score change ≥10 should be considered clinically meaningful. This definition has been missing from the literature and will improve understanding of patients' responses to treatment, which will help advance clinical care and track research outcomes.
LEVEL OF EVIDENCE: 4 Laryngoscope, 135:752-757, 2025.
METHODS: 103 adult singers with and without voice complaints completed SVHI-10 twice, 30 days apart. MCID for the SVHI-10 was determined using distribution-based receiver-operating characteristic (ROC) curve analysis.
RESULTS: Twenty-two men (1 transgender), 75 women (1 transgender), and 6 nonbinary individuals participated. The most frequently reported singing genres were classical (44.7%), musical theater (17.5%), and pop (10.7%). Mean initial SVHI-10 score was 13.05 (standard deviation 7.397), and mean follow-up SVHI-10 was 13.13 (7.994). There was a significant positive correlation between initial and follow-up SVHI-10 scores (r = 0.879, p < 0.001). SVHI-10 scores were significantly higher among participants who reported voice changes in the past year (p < 0.001) or sought voice treatment (p = 0.001) compared with participants who did not. SVHI-10 scores varied significantly based on singing type. The area under the ROC curve for SVHI-10 was 0.700 (p = 0.003). The SVHI-10 MCID was determined to be 9.5.
CONCLUSIONS: An SVHI-10 score change ≥10 should be considered clinically meaningful. This definition has been missing from the literature and will improve understanding of patients' responses to treatment, which will help advance clinical care and track research outcomes.
LEVEL OF EVIDENCE: 4 Laryngoscope, 135:752-757, 2025.