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United States Nationwide Inpatient Sample 2013

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General Info
Original or alternative title 
HCUP Nationwide Inpatient Sample 2013
Provider 
Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality (AHRQ)
Microdata access: Request
Geography 
United States of America (USA)
Coverage type 
Country
Time period covered 
01/2013 - 12/2013
Series or system 
United States Nationwide Inpatient Sample
Data type
Administrative data:
  • Discharge
  • Inpatient
  • Nationally representative
Summary 

The National Inpatient Sample (NIS) is a database of hospital inpatient stays. It was developed by the Healthcare Cost and Utilization Project (HCUP), and up until 2011 was known as the Nationwide Inpatient Sample. The name and the design of the database changed in 2012. The NIS was formerly a sample of hospitals, with all discharges retained, but in 2012 the design changed to become a sample of discharges from all participating hospitals. Variables captured in the database include patient demographics, diagnosis and procedure codes, admission and discharge status, length of stay, expected payer, total charges, and hospital characteristics.

Keywords 
Causes of death, Causes of morbidity, DRGs, Diagnosis, Emergency care, Health care access, Health care expenditures, Health care prices, Health care services, Health insurance, Hospitals, ICD-9, Income, Length of stay, Medical tests, Mortality, Private health facilities, Public health facilities, Public social assistance, Race, Surgical procedures, Therapies
GHDx Entry last modified on: Aug 5, 2021