National Hospital Ambulatory Medical Care Survey: 2007 Outpatient Department Summary. National Health Statistics Reports, Number 28, September 23, 2010

摘要

This report describes ambulatory care visits to hospital outpatient departments (OPDs) in the United States. Statistics are presented on selected hospital, patient, and visit characteristics. Selected trends in OPD utilization from 1997 through 2007, as well as items new to the 2007 survey, are presented. The data presented in this report were collected in the 2007 National Hospital Ambulatory Medical Care Survey, a national probability sample survey of visits to emergency departments and OPDs of nonfederal short-stay and general hospitals in the United States. Sample data were weighted to produce annual national estimates.