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NASS Description of Data Elements
The Nationwide Ambulatory Surgery Sample (NASS) is a set of ambulatory surgery databases included in the HCUP family. These databases are created by AHRQ through a Federal-State-Industry partnership.
 
FEMALE - Indicator of sex
 
Documentation Sections:
General Notes
Uniform Values
General Notes
 

The sex of the patient (FEMALE) is provided by the data source. All non-male, non-female (e.g., "other") values are set to missing (.).

If FEMALE is inconsistent with diagnoses (EDX03) or procedures (EPR03), FEMALE is set to inconsistent (.C).

In HCUP databases before 1998, this data element is called SEX.

 
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Uniform Values
VariableDescriptionValueValue Description
FEMALEIndicator of sex0Male
1Female
.Missing
.AInvalid
.CInconsistent, EDX03, EPR03
 
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Internet Citation: HCUP NASS Description of Data Elements. Healthcare Cost and Utilization Project (HCUP). August 2019. Agency for Healthcare Research and Quality, Rockville, MD. www.hcup-us.ahrq.gov/db/vars/female/nassnote.jsp.
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Last modified 8/14/19