Rockenschaub, Patrick; Nguyen, Vincent; Aldridge, Robert W.; Acosta, Dionisio; Garcia-Gomez, Juan M; Sáez Silvestre, Carlos(BMJ, 2020-02)
[EN] Objectives To demonstrate how data-driven variability methods can be used to identify changes in disease recording in two English electronic health records databases between 2001 and 2015.
Design Repeated cross-sectional ...