Identification of irritable bowel syndrome in the Swedish National Patient Register: a validation study.
Navkiran Thind TornkvistAnn-Sofie BackmanMarie LinderMaria AltmanMagnus SimrénOla OlénHans TörnblomPublished in: Scandinavian journal of gastroenterology (2023)
The validity of a register-based definition of IBS in the Swedish National Patient register is high and can be used to identify patients with IBS in observational research. The data source, i.e., type of hospital and department, influences reliability.