Since 1961, all hospitals in Scotland have been required to compile and return coded information on all acute inpatient admissions, forming the basis of the Scottish Morbidity Record 1 (SMR1).
HOSPITAL DATA
Since
1961, all hospitals in Scotland have been required to compile and return coded
information on all acute inpatient admissions, forming the basis of the
Scottish Morbidity Record 1 (SMR1), which contains administrative, demographic
and diagnos-tic information. In Tayside this is coded by medi-cal clerks before
being entered onto computer and subjected to quality control. The data are then
sent to the Information and Statistics Division (ISD) of the Common Services
Agency of the National Health Service. Each SMRI record has one principal and
five other diagnostic fields coded according to the International
Classification of Diseases 9th Revision (ICD9) (World Health Organisation,
1977). In 1996, the NHS introduced the 10th Revision of the ICD codes (World
Health Organisation, 1992). There is also one main operation or procedure field
and three others coded according to the Office of Population and Census Surveys
4th Revision (OPCS4) classifi-cation (HMSO, 1990). In Tayside, there are
approx-imately 63 000 hospital discharges per year available as a CHI
number-specific record. MEMO holds histor-ical SMRI data from 1980 allowing for
a past medi-cal history of hospitalisation for a condition to be controlled
(Figure 26.1).
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