1 Using National Hospital Using National Hospital Ambulatory Medical Care Ambulatory Medical Care Survey (NHAMCS) data for Survey (NHAMCS) data for injury analysis injury analysis Linda McCaig Ambulatory Care Statistics Branch Division of Health Care Statistics U.S. DEPARTMENT OF HEALTH AND HUMAN SERVICES Centers for Disease Control and Prevention National Center for Health Statistics
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Using National Hospital Ambulatory Medical Care Survey (NHAMCS) data for injury analysis
U.S. DEPARTMENT OF HEALTH AND HUMAN SERVICES Centers for Disease Control and Prevention National Center for Health Statistics. Using National Hospital Ambulatory Medical Care Survey (NHAMCS) data for injury analysis. Linda McCaig Ambulatory Care Statistics Branch - PowerPoint PPT Presentation
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Using National Hospital Using National Hospital Ambulatory Medical Care Survey Ambulatory Medical Care Survey
(NHAMCS) data for injury analysis(NHAMCS) data for injury analysis Linda McCaig
Ambulatory Care Statistics Branch
Division of Health Care Statistics
U.S. DEPARTMENT OF HEALTH AND HUMAN SERVICESCenters for Disease Control and PreventionNational Center for Health Statistics
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OverviewOverviewBackgroundSurvey methodologyData usesUser considerations for injury analysis
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NHAMCS backgroundNHAMCS backgroundNational probability sample survey
of visits to EDs and OPDs of non-federal, short-stay, and general hospitals
Survey began in 1992Annual data collection (Census)
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NHAMCS MethodologyNHAMCS Methodology
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NHAMCS Sample designNHAMCS Sample design
112 geographic PSUs500 hospitals400 EDs and 250 OPDs37,000 ED and 35,000
OPD visits– 4-week reporting period
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ED Items collectedED Items collected
Patient characteristics– age, race, sex
Visit characteristics– Mode of arrival, immediacy, reason for