Validity of the self-administered comorbidity questionnaire in patients with inflammatory bowel disease.
Reinier Cornelis Anthonius van LinschotenAnouk Sjoukje HubertsNikki van LeeuwenJan Antonius HazelzetJanneke van der WoudeRachel Louise WestDesirée van NoordPublished in: Therapeutic advances in gastroenterology (2023)
The SCQ is a valid tool for measuring comorbidity in IBD patients, but face and content validity should be improved before being used to correct case-mix differences.