Idb-data-sets

National IDB File Information (Minimum Data Set)

1	Country	Lithuania
2	Year	2011
3	National Register Name	Compulsory Health Insurance Fund information system (CHIF IS).
4	Purpose of the register	CHIF IS managed by the State Patient Fund. CHIF IS covers data on hospital discharges, out-patient visits, and primary health care visits. The main focus is taken on the accounting, administration and promotion of the services paid from the CHIF budget.
5	Scope of the register	CHIF IS covers all injuries and other diseases according ICD-10 (2001 01 01-2011 03 31)/ ICD-10-AM (2011 04 01 - present), all age groups, 98% of hospital discharges, about 90% of outpatient visits, 100% of primary health care visits. From CHIF IS data selection according MDS is available since the 1st of June 2011 these data covers only hospital discharges. Since the middle of 2013 will be ability to select data according MDS from emergency departments as well.
6	Data file name (MDS)	JAMIE_MDS_2011_LT.txt
7	Date of creation of MDS file	2013 05 22
8	Range of data of attendance	2011 07 01 - 2011 12 31
9	Original coding dictionary	ICD-10-AM (Australian modification), 1st of July 2008. Prepared conversation tables ICD-10-AM -> IDB MDS.
10	Dictionary modifications	Prepared conversation tables ICD-10-AM -> IDB MDS.
11	Bridge coding applied	ICD-10-AM -> IDB MDS
12	No. of records in the data file	24738
13	No. of MDS reference hospitals	71
14	Geographic scope	98% of the entire reporting country.
15	Hospital characteristics used for a representative sample of hospitals	All hospitals, which has contract with the State Patient Fund and entering data into CHIF IS; all registered injuries in acute care beds (rehabilitation and nursing cases excluded).
16	Sampling of cases within hospitals	98%
17	Percentage of admissions in data file	100.00% There were no ambulatory treatments in data file.
18	Relative sample size (admissions)	99.9%
19	Relative sample size (ambulatory treatments)	0% According MDS it is impossible to select data (ambulatory treatments) of year 2011, but CHIF covers about 90% of outpatient visits with coded main diagnosis by ICD-10 (since 2011 04 01 by ICD-10-AM). External causes registered in out-patient care (incl. primary care) – 8 groups of external causes (1– transport accident, 2 – accident at work place, 3 – accident at other public places, 4 – accident at home, 5 – sports accident, 6 – accident in educational institutions, 7 – self-harm, 8 – assault, 9 – others). Coding of external causes for CHIF IS is mandatory. However, the quality of coding is not very good: around 50% of the cases are being coded as unspecified or not coded at all.
20	Minimum Quality Control Checks	y
21	Average percentage of “unknown””	13.0% For average calculation have been taken all elements from data file JAMIE_MDS_2013_LT.txt (except: provider (hospital) code, permanent country of residence, nature of injury 2, part of the body injured 2, narrative).
22	Method for extrapolation from sample to national incidence	Sampling has not been done. Selected all hospital discharges from CHIF IS which covers 98% of all hospitals discharges (99.9% of acute injuries).
23	Reference population data provided	y
24	(Eventual) additional comments (for the user):	File JAMIE_MDS_2011_LT.txt covers just 6 months data (2011 07 01 – 2011 12 31), but reference population file (reference_population_file_2011_LT.txt) covers national population of all year.
25	Responsible data administrator (organization)	Institute of hygiene, http://www.hi.lt/en/
26	Contact: Responsible person	Neringa Madeikyte, Health Statistics Department Health Information Centre of Institute of Hygiene, Didzioji str. 22, Vilnius, LT-01128, Lithuania, TEL. [phone], [e-mail].
27	Signature
28	Date of completion of this file	2014 05 28