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https://www.selleckchem.com/products/bi-3802.html OBJECTIVE To determine preference-based (utility) assessments of health-related quality of life (HRQoL) in kidney stone patients, and evaluate the association between these and disease specific, psychometric health status-based HRQoL scores (obtained via the Wisconsin Stone Quality of Life [WISQOL]). METHODS One hundred four adults with urolithiasis, as well as 78 young healthy adults without history of urolithiasis (controls) were consecutively enrolled, meeting the predetermined recruitment goal. Each participant completed the SF-36 v2 (from which SF-6D utility is calculated) and EQ-5D questionnaires, while urolithiasis patients additionally completed the WISQOL. Relationship between health utility and WISQOL scores was evaluated using Pearson's test and multivariable linear regression analysis (MVA). Construct validity of the utilities for urolithiasis was assessed by comparing utilities for patients vs controls, and for symptomatic vs asymptomatic patients. RESULTS Mean (SD) WISQOL standard score, SF-6D, and EQ-5D utilities in stone patients respectively were 63 (29.1), 0.68 (0.16), and 0.83 (0.17). SF-6D and EQ-5D utilities significantly correlated with WISQOL standard score (Pearson's r = 0.87 and 0.58, respectively; each P less then .0001). On MVA, WISQOL standard score was a significant predictor of SF-6D and EQ-5D utilities, explaining 72.1% and 33.9% of the respective variances in the utilities. Median SF-6D and EQ-5D utility were significantly lower in patients vs controls (each P ≤.0009), and in symptomatic vs asymptomatic patients (each P ≤ .0002). CONCLUSION SF-6D, more so than EQ-5D utilities in urolithiasis patients are strongly associated with disease-specific WISQOL scores, suggesting they are optimal for preference-based HRQoL assessment in this population. Construct validity of the utilities in stone disease was demonstrated. OBJECTIVE To identify how demographic factors, stone-associated medical

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