Idb-data-sets

National IDB File Information (Minimum Data Set)

1	Country	Denmark
2	Year	2012
3	National Register Name	National Patient Register (LPR)
4	Purpose of the register	Recording of hospital activity
5	Scope of the register	All hospital contact (public hospitals) in Denmark, covering nearly 100% of injury related contact. Emergency department contacts, Admissions, and other outpatient treatments are included. Only contacts terminated 2012 are included.
6	Data file name (MDS)	MDS2012.txt
7	Date of creation of MDS file	20130530
8	Range of data of attendance	20120101-20121231
9	Original coding dictionary	Data are recorded using the Danish classification for injury collection. Classification for 2012: http://www.ssi.dk/Sundhedsdataogit/Indberetning%20og%20patientregistrering/Patientregistrering/~/media/Indhold/DK%20-%20dansk/Sundhedsdata%20og%20it/NSF/Indberetning/patientregistrering/Skadesregistreing/Skaderegistrering_registreringsvejledning_2008_v1-3_marts2011.ashx
10	Dictionary modifications	Data are transcoded from the Danish classification shown above into MDS dictionary version September 2012. There are no major deviation from MDS.
11	Bridge coding applied	Transcoding from the Danish classification (modified NOMESCO version 4) into MDS is performed using SAS software and ICD-10 >MDS conversion table
12	No. of records in the data file	00563349 (Sample is 100%)
13	No. of MDS reference hospitals	034 - There are 34 hospitals (administrative units – there are more physical units). However, only 29 delivered more than 100 cases.
14	Geographic scope	The entire state of Denmark (excluding Greenland and Faroe Islands)
15	Hospital characteristics used for a representative sample of hospitals	All hospitals
16	Sampling of cases within hospitals	All cases are recorded
17	Percentage of admissions in data file	12.1% are admitted
18	Relative sample size (admissions)	100%
19	Relative sample size (ambulatory treatments)	100% of emergency department contacts. Ambulatory treatments are not included, but they should not be a primary contact.
20	Minimum Quality Control Checks	Yes, the Minimum Quality Control Checks for MDS (according to chapter 8 of the JAMIE-Manual) have been carried out
21	Average percentage of “unknown””	Average ratio of no. of codes 9, 99, 999, etc. in the 16 data elements recording county – mechanism of injury (except nature of injury 2, part of body injured 2) Total: 6.0% including activity, (15 items) Recording country 0% Provider/Hospital code 0% Record number 0% Age 0% Sex 0% Permanent country of residence 0.5% Month att. 0% Year att. 0% Treatment & follow-up 0% Injury1 0.9% Part of body1 1.9% Intent 12.8% Location 20.7% Mechanism 17.9% Activity 34.6%
22	Method for extrapolation from sample to national incidence	Method 2) however, all cases are recorded
23	Reference population data provided	Yes
24	(Eventual) additional comments (for the user):	National Institute of Public Health, University of Southern Denmark in collaboration with “Statens Serum Institut” (which collects the hospital data)
25	Responsible data administrator (organization)	National Institute of Public Health, University of Southern Denmark in collaboration with “Statens Serum Institut” (which collects the hospital data)
26	Contact: Responsible person	Bjarne Laursen [e-mail] [phone]
27	Signature
28	Date of completion of this file	20130530