Fig. 7From: Prescribing of direct oral anticoagulants and warfarin to older people with atrial fibrillation in UK general practice: a cohort studyUnadjusted Kaplan-Meier survival curves for period 3 (2013–2017) illustrating the time to failure on the index OAC for patients aged ≥ 75 with AF newly started on an OAC during the study (incident group)Back to article page