HES Data Dictionary

HES field name

Sex of patient

Field

sex

Class

Patient

Length and format

Availability

Description

This field contains a code which defines the sex of the patient.

Value

From 1996-97 onwards:
1 = Male
2 = Female
9 = Not specified
0 = Not known

Prior to April 1996:
1 = Male
2 = Female
3 = Indeterminate, including those undergoing sex change operations

Data cleaning

Rule 50

Rule 60

Rule 650

IN THIS SITE...