Abstract
Purpose
Clostridium difficile associated diarrhoea (CDAD) is the most common cause of health-care-associated infectious diarrhoea. In the context of the German health-care system, direct and indirect costs of an initial episode of CDAD and of CDAD recurrence are currently unknown.
Methods
We defined CDAD as presence of diarrhoea (≥3 unformed stools/day) in association with detection of Clostridium difficile toxin in an unformed faecal sample. Patients treated with metronidazole (PO or IV) and/or vancomycin (PO) were included. Comprehensive data of patients were retrospectively documented into a database using the technology of the Cologne Cohort of Neutropenic Patients (CoCoNut). Patients with CDAD were matched to control patients in a 1:1 ratio. Analysis was split in three groups: incidence group (CDAD patients without recurrence), recurrence group (CDAD patients with ≥1 recurrence) and control group (matched non-CDAD patients).
Results
Between 02/2010 and 12/2011, 150 patients with CDAD (114 patients in the incidence and 36 (24 %) in the recurrence group) and 150 controls were analysed. Mean length of stay was: 32 (95 %CI: 30–37), 94 (95 %CI: 76–112) and 24 days (95 %CI: 22–27; P = <0.001), resulting in mean overall direct treatment costs per patient of €18,460 (95 %CI: €14,660–€22,270), €73,900 (95 %CI: €50,340–€97,460) and €14,530 (95 %CI: €11,730–€17,330; P = <0.001). In the incidence and recurrence group, the mean cumulative number of antibiotic CDAD treatment days was 11 (95 %CI: 10–12) and 36 (95 %CI: 27–45; P = <0.001).
Conclusions
Especially CDAD recurrence was associated with excessive costs, which were mostly attributable to a significantly longer overall length of stay. Innovative treatment strategies are warranted to reduce treatment costs and prevent recurrence of CDAD.
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Acknowledgments
This study was supported by an unrestricted research grant from MSD Sharp and Dohme GmbH, Germany. It was designed, planned, and performed by the academic authors and students of the UHC.
Conflict of interest
S.M.H. has received research and travel grants from Astellas, Gilead and Merck, and travel grants from Pfizer. O.A.C. was supported by the German Federal Ministry of Research and Education (BMBF grant 01KN1106); received research grants from 3M, Actelion, Astellas, Basilea, Bayer, Celgene, Cubist/Optimer, Genzyme, Gilead, GSK, Merck/MSD, Miltenyi, Pfizer, Quintiles, Shionogi, Viropharma; was a consultant to 3M, Astellas, Basilea, Cidara, Cubist/Optimer, Da Volterra, Daiichi Sankyo, F2G, Genentech, Gilead, GSK, Merck/MSD, Merck Serono, Pfizer, Rempex, Sanofi Pasteur and Summit/Vifor; and received lecture honoraria from Astellas, Gilead, Merck/MSD, and Pfizer. J.J.V. was supported by the German Federal Ministry of Research and Education (BMBF grant 01KI0771) and the German Centre for Infection Research. J.J.V. has received research grants from Astellas, Gilead Sciences, Infectopharm, Merck/MSD, and Pfizer; and served on the speakers’ bureau of Astellas, Merck/MSD, Gilead Sciences, and Pfizer. M.J.G.T.V. has served at the speakers’ bureau of Pfizer, Merck/MSD, Gilead Sciences, and Astellas Pharma; received research funding from 3M, Astellas Pharma and Gilead Sciences; and was a consultant to Berlin Chemie.
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Heimann, S.M., Vehreschild, J.J., Cornely, O.A. et al. Economic burden of Clostridium difficile associated diarrhoea: a cost-of-illness study from a German tertiary care hospital. Infection 43, 707–714 (2015). https://doi.org/10.1007/s15010-015-0810-x
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DOI: https://doi.org/10.1007/s15010-015-0810-x