Abstract
Physicians frequently prescribe antibiotics to inpatients without knowledge of medication cost. It is not well understood whether providing cost data would change prescribing behavior. To evaluate the association between providing cost data alongside culture and antibiotic susceptibility results and prescribing of high-cost antibiotics. Quasi-experimental pre-post analysis. Inpatients diagnosed with bacteremia or urinary tract infection in two tertiary care hospitals. Cost category data for each antibiotic ($, $, $$, or $) were added to culture and susceptibility testing results available to physicians. Average cost category of antibiotics prescribed to patients after the receipt of susceptibility testing results. There was a significant decrease in the average cost category of antibiotics per patient after the intervention (pre-intervention = 1.9 $ vs. post-intervention = 1.7 $, where 1.5 $ would mean that the average number of dollar signs for antibiotics prescribed was between $ and $, p = 0.002). After adjusting for age, insurance type, and prior length of stay, the odds ratio (OR) of a patient's average antibiotic being higher cost vs. lower cost after the intervention compared to before the intervention was 0.74 [95% ...Continue Reading
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