Statistical processing

Source data

External sources: The National Patient Register. The data is delivered by The Danish Health Data Agency (from 2012-2015 from SSI and before 2012 from the Danish Health Authority) LPR3 data is available for 2019-2022, and annual (LPR3) data delivery is resumed from 2022. Data (LPR2) has been received annually until 2019.

Internal sources: The Population Statistics Register.

Frequency of data collection

Annually.

Data collection

Extracts from the master tables of the National Patient Register in the Danish Health Data Agency are transmitted via a secure connection to Statistics Denmark.

Data validation

The Danish Health Data Agency is responsible for the operation and validation of the National Patient Register.

Totals and subtotals are compared as far as possible with figures from the Danish Health Data Agency.

Data compilation

The Hospital Utilization Statistics contains the following information for each contact during a calendar year: date of admission and discharge, emergency or non-emergency admission, and diagnose classification group.

For each person, the individual contacts (physical attendance) are linked if there is a maximum of 4 hours between them. Total hospital stay is calculated from the contact's start to end time. Hospitalization vs. Outpatient visits are then defined according to a physical stay-duration criterion (over or under 12 hours of hospital stay, with under 12 hours being outpatient).

Diagnosis is selected as the time-dominant action diagnosis during the same hospitalization. The distinction between public and private hospital for the individual hospital stay is also based on the patient's time-dominant place of residence.

Hospital stay in somatic hospital care is when no physical attendances during the hospital stay are in a department with a psychiatric specialty (specialty 50: psychiatry, or 52: child and adolescent psychiatry), and where no physical attendances during the hospital stay have the action diagnosis DF* "Psychiatric disorders and behavioral disturbances”. Psychiatric hospital stays are when no physical presence in the hospital stay has both a somatic specialty (not specialty 50: psychiatry, or 52: child and adolescent psychiatry) and a somatic action diagnosis (not DF* "Psychic disorders and behavioral disorders"). Hospital stay in somatic and psychiatric hospital services is when both of the following apply: 1. At least one physical presence in the hospital stay has both a somatic specialty (not specialty 50: psychiatry, or 52: child and adolescent psychiatry) and a somatic action diagnosis (not DF* "Psychiatric disorders and behavioral disorders”). 2. At least one physical appearance during the hospital stay is in a ward with a psychiatric specialty (specialty 50: psychiatry, or 52: child and youth psychiatry), and/or has action diagnosis DF* "Psychic disorders and behavioral disorders".

Adjustment

Not relevant for these statistics