Psychometric parameters of food allergy quality of life during an allergen immunotherapy trial.
Gabriel Lins de Holanda CoelhoAudrey Dunn GalvinMatthew J GreenhawtJonathan O'Brien HourihaneDavid M FleischerGang ChenMarcus ShakerDianne E CampbellTodd D GreenPhilippe BéginPublished in: Allergy (2022)
Herein, we present a novel reanalysis of the FAQLQ-PF items using IRT. The longitudinal performance of individual items and subscales was corroborated, and items with the highest discrimination were identified, showing that the tool is suitable for longitudinal measurements in FA treatment trials.