Hospital readmissions are an important indicator of the outcomes of care as
well as a source of unnecessary health care expenditures. This study focus
ed on development of a uniform algorithm for identification of hospital rea
dmission data. It involved development of a uniform definition of readmissi
ons which could be applied to multiple statewide computer databases. Throug
h this approach, comparable readmit data were generated for use in benchmar
king and quality improvement activities.