The economic impact of aspergillosis: analysis of hospital expenditures across patient subgroups.

Objective: To measure the impact of invasive aspergillosis infection on US hospital costs and financial performance across different patient populations.

Methods: Hospital discharge data for patients with a primary or secondary diagnosis of aspergillosis were extracted from the 2003 Nationwide Inpatient Sample (NIS) and the fiscal year 2003 (FYO3) Medicare Provider Analysis and Review (MedPAR) file. The data on patient demographics, length of stay (LOS), hospital charges, estimated costs, and reimbursement levels were reported.