Systematic analysis of annual health resource utilization and costs in hospitalized patients with inflammatory bowel disease in Switzerland

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Abstract

Background and aims

Real-life data on health resource utilization and costs of hospitalized patients with inflammatory bowel disease are lacking in Switzerland. We aimed to assess health resource utilization and costs during a 1-year follow-up period starting with an index hospitalization.

Patients and methods

On the basis of claims data of the Helsana health insurance group, health resource utilization was assessed and costs reimbursed by mandatory basic health insurance [in Swiss Francs (CHF); 1 CHF=0.991 US$] were calculated during a 1-year follow-up period starting with an index hospitalization in the time period between 1 January 2013 and 31 December 2014.

Results

Of 202 002 patients with at least one hospitalization in 2013–2014, a total of 270 (0.13%) patients had inflammatory bowel disease as main diagnosis [112 (41.5%) ulcerative colitis (UC), 158 (58.5%) Crohn’s disease (CD), 154/270 (57.0%) females]. In comparison with patients with UC, patients with CD were significantly more frequently treated with biologics (45.6 vs. 20.5%, P<0.001) and more frequently underwent surgery during index hospitalization (27.8 vs. 9.8%, P=0.002). Compared with patients with UC, those with CD had significantly more consultations [odds ratio (OR): 1.06, 95% confidence interval (CI): 1.01–1.12, P=0.016], higher median annual total costs (OR: 1.25, 95% CI: 1.05–1.48, P=0.012), and higher outpatient costs (OR: 1.33, 95% CI: 1.07–1.66, P=0.011). In the bivariate model, median total costs for patients with CD and those with UC were 24 270 and 17 270 CHF, respectively (P=0.032).

Conclusion

When compared with patients with UC, hospitalized patients with CD have during a 1-year follow-up a higher rate of outpatient consultations and generate higher costs.

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