The primary outcome of interest was proportion of patients adherent to medication regimens based on a mean proportion of days covered ( PDC ) greater than @ in the year after hospital discharge using pharmacy refill data for @ cardioprotective medications ( clopidogrel , - blockers , @-hydroxy-@-methylglutaryl coenzyme A reductase inhibitors -LSB- statins -RSB- , and angiotensin-converting enzyme inhibitors or angiotensin receptor blockers -LSB- ACEI/ARB -RSB- ) .