Figure 4:

Matching results produced by BiobankConnect. (A) Matching data elements for ‘Parental diabetes mellitus’ in Prevend. The gold standard matches are two data elements, V57A_1 and V57B_1, located in the second and third positions. (B) The matching data element for ‘History of hypertension’ in the NCDS database. The best match in the experts’ opinion is ‘downhibp,’ located in the first position on the candidate list. CM, cohort member.