ACE and myocardial infarction: The OR for patients with prior myocardial infarction was significantly greater than 1 for ACE inhibitors (OR = 1.69; 95% CI 1.09-2.62), which are also recommended in the guidelines, but there was not a significantly lower prescription rate for CCBs (OR = 1.27; 95% CI 0.78-2.07), which are not recommended.