CHOP Crohn's Disease Study

Data were collected from 2017 to 2019 as part of the Low Dose Oral Methotrexate in Pediatric Crohn’s Disease Patients Initiating Anti-Tumor Necrosis Factor Therapy (COMBINE) trial. Study methods may be found on clinicaltrials.gov (NCT02772965). Dates in the dataset are not actual dates. The dates yield an accurate offset in years from year of birth to the study start date and an accurate offset in months between study observations (i.e., repeated completions of patient-reported outcomes).