Critical Care Dataset

Data Providing Organisation:
NHS Wales’ Informatics Service (NWIS)

Data Providing Type:
Administrative (mandatory) data return



Nation-wide Critical Care database to monitor quality of service, to drive improvements and policy development.

Data Collection Method

The data are collected and coded at each hospital. Administrative information is collected from the central PAS (Patient Administrative System), such as admission and discharge dates and times.

Data Highlights

A good supplementary to hospital inpatient dataset (PEDW), covers the period of critical care patient received, including intensity of care (e.g. bed levels, organ support), treatment specialty, and outcome.

Access Requirements

As a core SAIL dataset available in accordance with our standard Information Governance procedure.


Approx. 9,000 admissions per year

Data Level

Individual person

Data Years

April 2006 – May 2016

SAIL Schema