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Abstract

Hospital Episode Statistics (HES) is a data warehouse containing details of all admissions to NHS hospitals in England. It includes private patients treated in NHS hospitals, patients who were resident outside of England and care delivered by treatment centres (including those in the independent sector) funded by the NHS. HES also contains details of all NHS outpatient appointments in England. HES contains over 200 million records. Each HES record contains a wide range of information about an individual patient admitted to an NHS hospital. For example:
* clinical information about diagnoses and operations
* information about the patient, such as age group, gender and ethnic category
* administrative information, such as time waited and date of admission
* geographical information on where the patient was treated and the area in which they lived.

Main Topics/Subject Category
Inpatient admissions, outpatient appointments, clinical information about diagnoses and operations, information about the patient, such as age group, gender and ethnic category, administrative information, such as time waited and date of admission, geographical information on where the patient was treated and the area in which they lived.
Variables
http://www.hesonline.NHS.uk[…]eID=1937&categoryID=289
Keywords
Diagnoses, procedures, interventions, healthcare resource groups, NHS trusts, health authority areas, length of stay, waiting times, admission methods, admission, age, sex, ethnic group, maternity care, psychiatric care, admit, waiting time, discharge, episode, critical care, maternity, gestation, antenatal, postnatal, ethnicity, age, gender, socioeconomic
Identifier Variables
Cancer network, electoral ward, GOR, LA, SHA, site code of treatment, region of treatment
Economic/Subject Categories
Activity
Area of Health System
Secondary care
Data Available
Risk behaviours, Socio-economic, Demographic
Data collecting organization (s)
HES
Data Type
Administrative
National/Regional
National
Coverage (date of field work)
1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
Unit of Analysis
Aggregate
Sample

HES contains over 200 million records.

Availability
HES online
Conditions of Access
Free access
Link
http://www.hesonline.NHS.uk[…]eID=1937&categoryID=245
Contact
Tel: 08453006016, enquiries@ic.nhs.uk
Publications
Thompson A. Patterns of hospital admission for adult psychiatric illness in England: analysis of Hospital Episode Statistics data. The British Journal of Psychiatry 2004; 185: 334-341