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The purpose of this study was to evaluate the measurement properties of the Osteoporosis Assessment Questionnaire-Physical Functioning (OPAQ-PF). Based on this study, the OPAQ-PF has confirmed(More)
This study explored the impact of differentiated thyroid cancer (DTC) on health-related quality of life (HRQL) at different treatment phases and evaluated the validity of published DTC utilities and(More)
BACKGROUND Regulatory guidance recommends anchor-based methods for interpretation of treatment effects measured by PRO endpoints. Methodological pros and cons of patient global ratings of change vs.(More)