Table 2.

Standardized HF incidence rates in the inpatient and outpatient setting by age, gender, and race, CMS Medicare FFS beneficiaries (2001 – 2013).

	N	Number of events	Person-years	Standardized IR*, † (95% CI)
Inpatient Heart Failure
Overall	105,013	12,461	504,504	35.8 (35.1, 36.5)
Age group
65 – 74	70,344	5,438	356,893	18.2 (17.7, 18.8)
75 and older	34,669	7,023	147,611	50.2 (49.0, 51.4)
Gender
Male	41,247	4,735	193,578	37.8 (36.5, 39.1)
Female	63,766	7,726	310,926	34.7 (33.8, 35.5)
Race
White	87,778	10,350	433,685	35.0 (34.3, 35.8)
African	17,235	2,111	70,818	40.9 (38.9, 42.8)
American
Outpatient Heart Failure
Overall	97,295	4,743	476,526	13.9 (13.5, 14.4)
Age group
65 – 74	67,279	2,373	343,882	8.12 (7.70, 8.50)
75 and older	30,016	2,370	132,644	18.7 (17.9, 19.5)
Gender
Male	38,634	2,122	183,771	17.1 (16.2, 18.0)
Female	58,661	2,621	292,755	12.3 (11.8, 12.8)
Race
White	81,471	4,043	410,385	14.0 (13.5, 14.5)
African	15,824	700	66,141	13.7 (12.5, 14.9)
American

^*per 1,000 person-years

^†Standardized to the 2003 National CMS Medicare population

Abbreviations: FFS (fee-for-service), HF (heart failure), IR (incidence rate), CI (confidence interval)