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Hospital costs, length of stay and mortality attributable to invasive scedosporiosis in haematology patients.


BACKGROUND: Scedosporium species are increasingly recognized as a cause of invasive mould disease in haematology patients, but little is known about the hospitalization costs and outcomes attributable to invasive scedosporiosis (SCEDO). METHODS: A retrospective case-control study was undertaken during 2002-10 to determine the attributable inpatient costs, length of stay (LOS) and mortality associated with SCEDO in haematology patients. Case patients with SCEDO (n = 30) were matched 1 : 2 to controls (n = 60) according to haematological diagnosis, admission year and age. Diagnostics, antifungal drugs, ward and other SCEDO-related costs were estimated using actual cost data. Median regression modelling was used to adjust for variables that were not accounted for in the matched-pairs analysis. RESULTS: The crude total median cost of treating SCEDO was AU$32 182 per patient versus AU$17 424 per control. In multivariable analysis, SCEDO was associated with median excess costs of AU$23 611 (95% CI = AU$17 992-AU$29 231; P < 0.001), approximating US$15 509 at purchasing power parity, with prolonged LOS of 13 days (95% CI = 8.2-17.8 days; P < 0.001). Exclusion of cases and matched pairs with early death further increased the median excess cost and LOS. The cost differential was driven by ward costs (64%, P = 0.005) and antifungal treatment costs (29%, P < 0.001). The all-cause inpatient mortality was 38 times higher for the SCEDO cases versus the control group (63.3% versus 1.7%; P < 0.001). CONCLUSIONS: SCEDO has substantial impact on hospital resource consumption, LOS and mortality in haematology patients. Risk factors and preventative measures for SCEDO should be further studied.

Type Journal
Authors Heng, S-C; Slavin, M.A.; Chen, S.C-A.; Heath, C.H.; Nguyen, Q.; Billah, B.; Nation, R.L.; Kong, D.C.M.;
Published Date 2012-01-01
Published Issue 67
Published Pages 2274-2282
Status Published in-print
DOI 10.1093/jac/dks210
URL link to publisher's version
OpenAccess link to author's accepted manuscript version