Another reinsurer Millman obtained two years of patient care data – detailing NHS number, age at start of hospital spell, gender, partial postcode, dates of admission, diagnosis, speciality, and treatment – to be used as part of a product sold to customers.
Dates of admission, brain CT, and LP were also available.
Electronic patient records, including admission notes, chest radiographs, dates of admission and follow-up clinic notes were used to gather data.
Records for each hospitalization include CPR number, hospital department, inpatient and outpatient discharge diagnoses, and dates of admission and discharge.
Data for each record included ICDCM9 codes for up to 4 discharge diagnoses in addition to the ARD diagnosis, age, gender, dates of admission and discharge and disposition (alive or dead).
24 Dates of admission or A&E attendance are recorded.
7 Inpatient days were calculated using dates of admission and discharge.
Information collected includes specialty, dates of admission and discharge, diagnoses, specialty of consultant.
Additional anchors included dates of admission and discharge to the hospital.
Variables include civil registration number, dates of admission and discharge, and discharge diagnoses.
Days in care were calculated for each individual on the basis of dates of admission to and discharge from care.
