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- Liliana E Pezzin and John A Fleishman.
- Medical College of Wisconsin, Milwaukee, WI 53226, USA. lpezzin@mcw.edu
- Acad Emerg Med. 2003 Nov 1;10(11):1228-38.
ObjectivesThe authors use data from the AIDS Costs and Service Utilization Survey (ACSUS) to investigate the extent to which use of ambulatory medical care is associated with inpatient and emergency department use among HIV-infected persons.MethodsParameter estimates were derived from simultaneous, multiequation models.ResultsHigher use of ambulatory medical services is not significantly associated with lower probability of inpatient admissions or emergency department (ED) visits. For the subgroup of patients who received an AIDS diagnosis during the study period, however, the number of ambulatory visits had significant negative effects on hospitalizations and ED use.ConclusionsOutpatient care may offset inpatient and ED services at particular points in the disease course.
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