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Statistical presentation

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Personal Finances and Welfare, Health Statistics
Anne-Sofie Dam Bjørkman
+45 39 17 36 16

asd@dst.dk

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Hospitalization

The statistics cover admissions to and outpatient treatments at public somatic hospital departments within one calendar year. The statistics are based on the National Hospital Discharge Register from Statens Seruminstitut (SSI) combined with a number of background details from other registers. The statistics show e.g. how the use of hospitals varies with a range of social conditions, such as family, education, occupation, accommodation, parentage, and geography with standardisation for sex and age.

Data description

The statistics cover admissions to, outpatient treatments at and emergency room visits to public somatic hospital wards within one calendar year. The statistics are based on the National Hospital Discharge Register from SSI combined with a number of background details from other registers. The statistics show e.g. how the use of hospitals varies with a range of social conditions, such as family, education, occupation, accommodation, ancestry and geography with standardisation for sex and age.

Somatic admissions and outpatient treatments at private hospitals and corresponding contact with private as well as public psychiatric hospitals are not included.

Until the statistics on hospitalisation for 2008, background information from The Cohesive Social Statistics was included. After the termination of the Cohesive Social Statistics, Statistics Denmark is considering whether other background variables regarding income should be included in future Hospitalisation Statistics.

In connection with the publication of 2012, tables in the statistics bank have been extended and rearranged, which included integration with the statistics for outpatient treatments. Changes have been made in the delimitation of population in some of the tables with standardised indexes and, for the preceding years (2006-2008), very small changes have been made regarding municipal information.

In connection with the publication of 2014, the delimitation of outpatient treatments and emergency room visits has been changed, and this constitutes a break of data as the former categorisation of emergency room patients has been discontinued in the National Hospital Discharge Register. Starting from 2014, the scope for outpatient treatments has been delimited by patient type equal to outpatient and type of hospitalisation equal to planned. Starting from 2014, the delimitation of emergency room patients has been defined by patient type equal to outpatient and type of hospitalisation equal to emergency.

Classification system

The following classifications are applied in connection with publication of Hospitalisation statistics:

· Diagnosis (disease diagnoses – all diagnoses). Diagnoses are grouped according to the International Classifications of Diseases ICD - on aggregated 23 and 99 groups (the S list), IDC10 from WHO. More on IDC10 and classification of diseases available on The SKS browser. · Admissions (emergency, planned).

Furthermore, other classifications from other sets of statistics are applied:

· Socio-economic status (from AKM) (self-employed persons; assisting spouses; senior executives; high-level employees; mid-level employees; ground-level employees; other employees; unemployed persons; persons temporarily outside the labour force; students; retired persons etc.; recipients of cash benefit; other persons outside the labour force) · Education (basic general education or N/A; upper secondary education; basic vocational training and education; short-cycle education; medium-cycle education; bachelor; long-cycle education) · Family type (single; married/registered; cohabiting couples; cohabiting couples who have had children together) · Type of accommodation (single-family houses; terraced houses, linked houses and semi-detached houses; flats; other types of accommodation) · Parentage (persons with Danish parents; immigrants from the Western part of the world; immigrants from outside the Western part of the world; children of persons from the Western part of the world; children of persons from outside the Western part of the world) · Geography (municipalities; provinces; regions)

Sector coverage

Public somatic hospital wards.

Statistical concepts and definitions

Admission: Admission: Terminated admission to public somatic hospitals where the patient type is in-patient as opposed to outpatient (or emergency room patient – until 2014).

Inpatient: In-patient: Persons who have been admitted to hospital once or more during the year.

Beddays: Number of bed days: Number of bed days in connection with admissions.

Outpatient treatment: Outpatient treatment: An outpatient treatment is carried out at the hospital in connection with a visit to an outpatient clinic or a ward. In the register, patient type is stated as outpatient when the patient type is not in-patient (or emergency room patient – until 2014).

Outpatient: Outpatient: Persons who have received outpatient treatment once or more during the year.

Emergency room visit: Emergency room visit: Terminated admission to public somatic emergency room.

Patient in emergency room: Emergency room patient: Persons who have visited an emergency room or emergency clinic once or more during the year.

Index (standardization): Index (in connection with standardisation): Index based on calculations standardised for sex and age enabling comparison across various groups of e.g. education, income, socio-economic background, etc. An index above 100 indicates more frequent treatment than average, whereas an index below 100 indicates less frequent treatment than average. The indexes are not comparable between men and women, nor are they meant for analysis of the development over time. In groups with few subjects in particular, the index can develop dramatically from one year to the next since only small changes can affect the result.

Statistical unit

· Number of persons · Number of admissions · Number of outpatient treatments · Number of bed days · Number of emergency room visits · Index (in connection with standardisation)

Statistical population

Admissions, outpatient treatments and emergency room visits at public somatic in-patient wards during a calendar year.

Reference area

Denmark

Time coverage

1990-

Tables from before 2006 can be found in the Archive at the bottom of each list of tables in the Statbank.

Base period

Not relevant for these statistics.

Unit of measure

· Number (of admissions, outpatient treatments, emergency room visits, in-patients, outpatients, emergency room patients) · Index (in connection with standardisation for sex and age)

Reference period

The reference time is the calendar year in which the admission to hospital, the outpatient treatment or emergency room visit took place.

Frequency of dissemination

Annually.

Legal acts and other agreements

Section 6 of the act on Statistics Denmark, cf. consolidating act no. 610 of 30 May 2008.

There is no EU regulation concerning the Hospitalisation Statistics.

Cost and burden

Not relevant for these statistics.

Comment

Further information is available at: https://dst.dk/en/Statistik/emner/levevilkaar/sundhed#