Abstract
Background Crohn’s disease is a chronic condition that places a high health care cost burden. Perianal Crohn’s disease (pCD) is a difficult phenotype to treat due to poorer response to medical and surgical therapies. No study has assessed if this translates to higher healthcare costs. The aim is to assess the cost of treating pCD and compare to the cost of non-perianal Crohn’s disease (CD). Methods This is a retrospective case-control cohort study in a population-based setting. The direct healthcare costs for patients with pCD were calculated over 12 months. Data was compared to the control group of non-perianal CD patients on biologic treatment, with the use of the Mann-Whitney rank test to assess significance. Results 187 Crohn’s patients were included (39 pCD, 148 CD). Per patient, annual cost was €17,779.19 and €17,576.86 respectively (p = .9391). Medications were responsible for the majority of cost at 78% and 92% of total cost in pCD and CD, respectively (€13,886.04 in pCD, and €16,007.10 in CD), of which biologics were the main driver. Surgical costs were higher in the pCD group due to a higher cost of luminal surgery (€2633.88 in pCD vs €209.79 in CD, p = .0270). Conclusion This is the first study to assess the cost of treating perianal Crohn’s disease in a real-world population. Although the costs were similar overall to non-perianal Crohn’s patients, the perianal cohort had higher surgical costs from luminal surgery. This demonstrates the potential to apply early intensive treatment to reduce future surgical cost.
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