A, PAC use rate per 1000 admissions overall. B, PAC use rate per 1000 admissions across sex subgroups. C, PAC use rate per 1000 admissions across race/ethnicity subgroups. D, PAC use rate per 1000 admissions across age subgroups. E, PAC use rate per 1000 admissions across admissions for acute myocardial infarction (AMI), heart failure, and respiratory failure.