TY - JOUR KW - Humans KW - Female KW - Male KW - Adult KW - Middle Aged KW - *Colitis, Ulcerative/epidemiology/diagnosis/drug therapy/therapy KW - *Crohn Disease/epidemiology/diagnosis/drug therapy/therapy KW - *Hospitalization/statistics & numerical data KW - Young Adult KW - Adolescent KW - Patient Acceptance of Health Care/statistics & numerical data KW - Delayed Diagnosis/statistics & numerical data KW - Primary Health Care/statistics & numerical data KW - Time Factors KW - Cohort Studies KW - Referral and Consultation/statistics & numerical data KW - Aged KW - United States/epidemiology KW - Proportional Hazards Models KW - epidemiology KW - Ibd KW - IBD CLINICAL KW - sponsorship. AU - N. Jayasooriya AU - S. Saxena AU - J. Blackwell AU - A. Bottle AU - H. Creese AU - I. Petersen AU - R. Pollok AD - Institute for Infection and Immunity, St George's University of London, London, UK nishani.jayasooriya@nhs.net richard.pollok@nhs.net. Division of Epidemiology, Public Health and Primary Care, Imperial College London, London, UK. Edinburgh Inflammatory Bowel Disease, Western General Hospital, Edinburgh, UK. Research Department of Primary Care and Population Health, University College London, London, UK. Department of Gastroenterology, St George's University Hospitals NHS Foundation Trust, London, UK. AN - 38802264 BT - BMJ Open Gastroenterol C2 - PMC11131120 DO - 10.1136/bmjgast-2024-001371 DP - NLM ET - 2024/05/28 LA - eng M1 - 1 N1 - 2054-4774 Jayasooriya, Nishani Orcid: 0000-0003-1343-2446 Saxena, Sonia Blackwell, Jonathan Bottle, Alex Orcid: 0000-0001-9978-2011 Creese, Hanna Petersen, Irene Pollok, Richard C G Orcid: 0000-0001-6452-6763 POP-IBD Collaboration Journal Article England BMJ Open Gastroenterol. 2024 May 27;11(1):e001371. doi: 10.1136/bmjgast-2024-001371. PY - 2024 SN - 2054-4774 (Print) 2054-4774 T2 - BMJ Open Gastroenterol TI - Associations between prior healthcare use, time to diagnosis, and clinical outcomes in inflammatory bowel disease: a nationally representative population-based cohort study VL - 11 ER -