UBHT United Bristol Healthcare NHS Trust – an NHS trust serving Bristol and the surrounding area providing services including hospital care in the Bristol Royal Infirmary and other city centre hospitals.
UNDER-REPORTING Failure to identify and/or count all cases, leading to reduction of numerator in a rate. See ERROR.
UNITARY AUTHORITY (UA): Local authority that carries out the full range of local authority responsibilities in an area (as compared with other authorities where some services are provided at district or city level, others at county level). Bristol is a unitary authority.
URBAN PRACTICE POPULATION See POPULATION, PRACTICE.