Fig. 1From: Length of initial prescription at hospital discharge and long-term medication adherence for elderly, post-myocardial infarction patients: a population-based interrupted time series studyFlow of participants into the study. Notes: CAD = coronary artery disease; MI = myocardial infarction; DAD = Discharge Abstract Database. *For patient-level analyses, a threshold-based exclusion (i.e., minimum 180 eligible patients per site) was applied to facilitate model convergence, resulting in 14,344 patients (9,429 pre- and 4,915 post-intervention) across 26 sites in the control groupBack to article page