ea0032p1019 | Thyroid (non-cancer) | ECE2013
Watt Torquil
, Hegedus Laszlo
, Bonnema Steen Joop
, Bjorner Jakob Bue
, Groenvold Mogens
, Rasmussen Ase Krogh
, Feldt-Rasmussen Ulla
Objective: Thyroid diseases have been shown to affect quality of life. A thyroid-specific patient-reported outcome (PRO) measuring quality of life, the ThyPRO, has recently been developed and validated using classical clinic- and psycho-metric methods. The purpose of the present study was to apply modern psychometrics to validate the measure as the extent of differential item functioning (DIF) according to sex, age, education and diagnosis, within the ThyPRO.<p class="abst...