Curating a longitudinal research resource using linked primary care EHR data-a UK Biobank case study.
Primary care EHR data are often of clinical importance to cohort studies however they require careful handling. Challenges include determining the periods during which EHR data were collected. Participants are typically censored when they deregister from a medical practice, however, cohort studies wish to follow participants longitudinally including those that change practice. Using UK Biobank as an exemplar, we developed methodology to infer continuous periods of data collection and maximize [...]
Author(s): Darke, Philip, Cassidy, Sophie, Catt, Michael, Taylor, Roy, Missier, Paolo, Bacardit, Jaume
DOI: 10.1093/jamia/ocab260