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The National (Nationwide) Inpatient Sample

Alternate Titles(s): NIS

UID: 59

Description
The National (Nationwide) Inpatient Sample (NIS) is a large publicly available all-payer inpatient care database in the United States, containing data on more than seven million hospital stays. Its large sample size is ideal for developing national and regional estimates and enables analyses of rare conditions, uncommon treatments, and special populations.
Publisher
U.S. Agency for Healthcare Research and Quality (AHRQ)
Timeframe
1988 - Present
Subject of Study
Humans
Subject Domain
Medicine & Health
Population Age
Aged (80 years and over)
Newborn (under 1 month)
Infant (1 to 23 months)
Child (2 to 12 years)
Adolescent (13 to 17 years)
Adult (18 to 64 years)
Keywords
Healthcare
Hospitals
Access via NIS

Access Restrictions
Fee required
Access Instructions
Users can purchase NIS data through the HCUP Central Distributor.
Data Type
Administrative
Dataset Format(s)
SAS, SPSS, ASCII