Table 12.

—Annual Rates of Medicare Hospitalizations for COPD Among Medicare Beneficiaries Aged ≥ 65 Years, by Race/Ethnicity, Sex, and Age Group—United States, Medicare Part A Hospital Claims, 1999-2010

Variable	1999	2000	2001	2002	2003	2004	2005	2006	2007	2008	2009	2010	P for Linear Trend
Racea
White, non-Hispanic	13.47	12.00	11.80	11.58	11.09	10.02	10.86	10.73	9.61	11.50	11.03	11.31	.052
Black, non-Hispanic	12.59	11.29	11.19	11.42	10.63	9.48	10.49	10.29	9.98	11.37	11.55	12.39	.831
Hispanic	13.39	10.89	10.68	10.24	9.30	8.12	9.09	8.77	8.14	9.66	9.44	9.73	.081
Native American	19.21	14.65	15.62	11.80	13.14	12.73	11.61	14.84	10.88	13.32	12.62	13.23	.394
Asian	8.42	5.50	5.42	5.20	4.75	6.96	4.36	3.92	4.11	4.91	4.81	4.77	.108
Sexa
Women	12.41	11.22	11.08	10.90	10.50	9.52	10.28	10.17	9.22	10.97	10.64	10.99	.138
Men	14.81	13.14	12.83	12.53	11.81	10.54	11.47	11.23	9.99	11.91	11.34	11.56	.022
Age group, y
65-74	11.26	10.01	9.81	9.51	9.24	8.19	8.75	8.58	7.70	8.90	8.72	8.88	.033
≥ 75	15.49	13.98	13.79	13.67	12.87	11.72	12.86	12.69	11.47	13.94	13.24	13.69	.175
Totala	13.28	11.91	11.71	11.49	10.97	9.88	10.71	10.55	9.50	11.31	10.87	11.18	.045
Totalb	13.31	11.94	11.74	11.53	11.00	9.91	10.74	10.58	9.51	11.29	10.83	11.11	.034

Annual rate per 1,000 Medicare beneficiaries, aged ≥ 65 y, alive, entitled to Medicare Part A, and not in a managed care plan on July 1 of the given year. COPD includes ICD-9-CM codes 490-492 or 496. See Table 5 legend for expansion of abbreviation.

^aAge-adjusted to the 2000 US standard population aged ≥ 65 y.

^bUnadjusted rate.