SHMI research and development
The SHMI methodology is subject to continuous review and development. Known issues are kept under review and are detailed in the SHMI methodology development log.
SHMI Methodology Development Log [562kb]
Reports and further SHMI analysis carried out by NHS Digital
Reports and further analyses on the SHMI are provided below. These are grouped under the same topic headings as those used in the SHMI Methodology Development Log for ease of reference.
Risk adjustment variables
Palliative Care Coding Report [769kb]
Report on the Impact of Deprivation on the SHMI [462kb]
Contextual indicators
Analysis of the correlation between SHMI and depth of coding [156kb]
Other issues
Analysis of variation in SHMI values over time [150kb]
Review of the presentation of SHMI statistics in the 2013-14 Quality Accounts [187kb]
The feasibility of producing trust-level sepsis mortality data using the SHMI [411kb]
SHMI Technical Working Group Proceedings
The Summary Hospital-level Mortality Indicator (SHMI) Technical Working Group support and contribute to the technical work associated with the development and construction of the SHMI. Meetings are chaired by NHS Digital and are held on a quarterly basis.
Members of the group include representatives from the Department of Health, Care Quality Commission, NHS Digital, Professional Association of Clinical Coders, Public Health England, King's Fund, University Hospitals Birmingham, Dr Foster Intelligence, Dr Foster Unit at Imperial College London, CHKS and Nuffield Trust.