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. 2023 Dec 15;2(12):e0000383. doi: 10.1371/journal.pdig.0000383

Fig 1. Cohort definition chart for the UK Biobank and CPRD comparison cohorts.

Fig 1

A cohort inclusion/exclusion flowchart is given in S1 Fig. CPRD comparison cohort. CPRD Gold patients with a cancer diagnosed in 2006–2015, with at least a year of ‘up-to-standard’ primary care registration before diagnosis, and aged 30–75 at diagnosis to match UK Biobank cohort age ranges. UK Biobank comparison cohort. UK Biobank participants (with available electronic health records*) with a cancer diagnosed in 2006–2015 and at least a year of continuous GP record before diagnosis (including registrations with different practices if gaps in continuous registration were <91 days). *These patients belonged to the UK Biobank cohort sub-sample with available linked anonymous electronic health records data at the time of analysis.