Idb-data-sets

National IDB File Information (Minimum Data Set)

1	Country	United Kingdom (England)
2	Year	2010
3	National Register Name	Hospital Episode Statistics Accident and Emergency (HES AE)
4	Purpose of the register	To record attendances at major A&E departments, single specialty A&E departments, minor injuries units and walk-in centres in England
5	Scope of the register	Covers all injuries, all settings, all age groups, all intents, all A&E treatments
6	Data file name (MDS)	UKmds2010
7	Date of creation of MDS file	20130614
8	Range of data of attendance	20100101 - 20101231
9	Original coding dictionary	HES AE data dictionary
10	Dictionary modifications	Codes from original coding dictionary above re-coded into MDS data dictionary (IDB JAMIE manual – March 2013 vrs)
11	Bridge coding applied	HES AE national codes into JAMIE MDS codes
12	No. of records in the data file	0433375
13	No. of MDS reference hospitals	019
14	Geographic scope	Selected hospitals in England with good quality data
15	Hospital characteristics used for a representative sample of hospitals	Hospitals have been selected based on the completeness/quality of the data records in their system. Records from selected hospitals were compared with the national dataset to determine their representativeness. There was no major difference observed in terms of average age, male/female split, average number of patients per hospital, and deprivation of patients.
16	Sampling of cases within hospitals	NA
17	Percentage of admissions in data file	07.9%
18	Relative sample size (admissions)	09.9%
19	Relative sample size (ambulatory treatments)	10.5%
20	Minimum Quality Control Checks	Yes
21	Average percentage of “unknown””	14.9%
22	Method for extrapolation from sample to national incidence	2) Based on national figures of injury cases of ambulatory treatments (if statistic of treatments in emergency department is available)
23	Reference population data provided	Reference population data shall be provided in the requested format in order to allow for the calculation of crude incidence rates
24	(Eventual) additional comments (for the user):	(i) Certain fields have a high number of unknown values: Intent (38.5%); Mechanism of injury (76.5%); Activity (88.3%) (ii) Certain values could not be derived for particular fields: - Nature of Injury – no ‘Multiple injuries’ - Location of injury – no ‘Road’ - Mechanism of injury – no ‘Fall or Other’ - Activity when injured – no ‘Other’ (iii) The Narrative field has been left blank due to confidentiality constraints
25	Responsible data administrator (organization)	College of Medicine, Swansea University
26	Contact: Responsible person	Steven Macey College of Medicine, Institute of Life Sciences Building 2 (ILS2), Swansea University, Singleton Park, Swansea, SA2 8PP [phone] [e-mail]
27	Signature
28	Date of completion of this file	20130617