The Intensive Care National Audit & Research Centre case-mix programme database on adult admissions to general, neuroscience and cardiothoracic critical care units was used for analysis.
Exhaustive database on all admissions in Belgian hospitals over 11 years for the indications accounting for the largest number of patients receiving antimicrobials in hospitals (antimicrobial prophylaxis for lower limb orthopaedic surgery, pneumonia).
The main aim of this project was to create a method to impute the ethnic group of cancer cases who were notified to the regional cancer registry, but whose ethnic group was not available from their main source, linkage with the national database on hospital admissions (HES).
A secondary analysis of the Intensive Care National Audit and Research Centre (ICNARC) Case Mix Programme Database was conducted on admissions to 178 adult, general ICUs in England, Wales and Northern Ireland between 1995 and 2007.
The previously published largest obstetric dataset from the UK was that reported by Hazelgrove and coworkers [ 17], who reported an analysis of the South West Thames database, which collects data on admissions to 14 general critical care units.
Recurrence and survival data were followed-up September 2007 (censoring date) using databases on hospital admission and the National Central Registry on death recording.
We used a national database on all emergency involuntary admission in the Netherlands in the period 1997 200505, containing information about demographics, diagnoses and dangerousness criteria.
We obtained hospital admission data from the Canadian Institute for Health Information's discharge abstract database, which contains detailed demographic and clinical information on admissions, discharges, and same day surgical procedures for all hospitals in Ontario.
With this database, the primary diagnosis on admission, co-morbidities present, and complications during hospitalization are recorded using the International Classification of Disease and Related Health Problems, 10th Revision (ICD-10) codes accompanied by text data in Japanese.
Also included in the control sample were 2,602 individuals (3.5% of those in the initial database) for whom information on admission date was missing; we included these persons as our experience has demonstrated that it is longer staying residents for whom admission dates are not recorded.
