CTV3 Read codes and British National Formulary (BNF) codes were used to define cases of asthma, eczema and hay fever using electronic primary care records in the Born in Bradford birth cohort. CTV3 (C
Read codes that cover different types of carer. Categories covered include people who care for a person with learning disability, physical disability, sensory impairment, substance misuse, alcohol mis
Clinical code list related to hypertension. This file supports a publication titled "The relationship between partner bereavement and the first diagnosis of dementia".
Medical codes and terms used to exclude people from study prior to first flucloxacillin or oxytetracycline exposure. This file supports a paper titled "Quantification of the risk of liver injury assoc
