Table 1. Readmissions After AMI, CHF, and Pneumonia for Traditional Medicare and Medicare Advantage Beneficiaries Between 2011 and 2015.

Variable	No.		30-d RSRR, mean (SD), %
	Admissions	Hospitalsa
All traditional Medicare admissions
AMI	812 656	3167	16.9 (1.1)
CHF	1 899 272	3838	21.7 (1.7)
Pneumonia	2 499 778	4010	16.4 (1.8)
All Medicare Advantage admissions
AMI	318 850	3167	16.4 (1.0)
CHF	633 563	3838	21.4 (1.2)
Pneumonia	716 585	4010	16.3 (1.0)
All Medicare admissions
AMI	1 131 506	3167	16.8 (1.2)
CHF	2 532 835	3838	21.6 (1.8)
Pneumonia	3 216 363	4010	16.4 (1.9)

Abbreviations: AMI, acute myocardial infarction; CHF, congestive heart failure; RSRR, risk standardized readmission rate.

^aHospitals included those that admitted at least 1 traditional Medicare patient and at least 1 Medicare patient with the specified condition from 2011 to 2015.