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Patient-reported outcomes have become important endpoints in comparative effectiveness research and in patient-centered health care. Valid patient-reported outcome measures detect and respond to clinically relevant changes. The purpose of this study was to evaluate responsiveness of the thyroid-related quality of life (QoL) instrument ThyPRO in patients undergoing relevant clinical treatments for benign thyroid diseases and to compare it with responsiveness of the generic SF-36 Health Survey.

A sample of 435 patients undergoing treatment completed the ThyPRO and SF-36 Health Survey (Version 2) at baseline and 6 months after treatment initiation. Responsiveness was evaluated in three thyroid patient groups: patients with hyperthyroidism (n = 66) and hypothyroidism (n = 84) rendered euthyroid after medical therapy, and patients …