Overview of the patient’s highest level of medical treatment within 1-year follow-up. The medical treatment is categorized in ascending order from bottom left to top right. Each step in the figure shows the percentage of patients whose highest level of treatment falls within that category. ¹Topical treatment includes 5-ASA, steroids, and/or budesonide. ²Immunomodulators include azathioprine and methotrexate. ³First biologic therapy to biologic-naïve patients.