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NIS Summary Statistics
The National (Nationwide) Inpatient Sample (NIS) is the largest publically available all-payer inpatient care database in the United States, containing data on more than seven million hospital stays each year.
 
 
NIS Summary Statistics

The following links provide summary statistics for the National (Nationwide) Inpatient Sample (NIS). Summary Statistics include means on all numeric variables, frequency distributions, and univariates on continuous variables. Summary statistics are provided by year.

Contents:

2013 NIS


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2012 NIS


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2011 NIS


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2010 NIS


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2009 NIS


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2008 NIS


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2007 NIS


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2006 NIS


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2005 NIS


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2004 NIS


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2003 NIS


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2002 NIS


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2001 NIS


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2000 NIS


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1999 NIS - Version 2


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1998 NIS - Version 2


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1997 NIS


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1996 NIS


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1995 NIS


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1994 NIS


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1993 NIS


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1992 NIS


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1991 NIS


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1990 NIS


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1989 NIS


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1988 NIS


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Internet Citation: NIS Summary Statistics. Healthcare Cost and Utilization Project (HCUP). June 2016. Agency for Healthcare Research and Quality, Rockville, MD. www.hcup-us.ahrq.gov/db/nation/nis/nissummstats.jsp.
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Last modified 6/2/16