Prolonged dual antiplatelet therapy in stable coronary disease: comparative observational study of benefits and harms in unselected versus trial populations

This study was supported by AstraZeneca, the National Institute for Health Research (RP-PG-0407-10314), Wellcome Trust (086091/Z/08/Z), and the Medical Research Council Prognosis Research Strategy (PROGRESS) Partnership (G0902393/99558), and by awards to establish the Farr Institute of Health Informatics Research at UCL Partners, from the Medical Research Council, Arthritis Research UK, British Heart Foundation, Cancer Research UK, Chief Scientist Office, Economic and Social Research Council, Engineering and Physical Sciences Research Council, National Institute for Health Research, National Institute for Social Care and Health Research, and Wellcome Trust (AT and HH, grant MR/K006584/1). AT was supported by Barts and The London NIHR Cardiovascular Biomedical Research Unit, funded by the National Institute for Health Research. SD was support by a UCL Provost’s Strategic Development Fund fellowship. ADS is supported by a Wellcome Trust clinical research training fellowship (0938/30/Z/10/Z)