2011 National Healthcare Quality & Disparities Reports: Data Tables Appendix, Table 17_2

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2011 National Healthcare Quality & Disparities Reports
Data Tables Appendix

Table 17_2_3.4
Admissions with chronic obstructive pulmonary disease^a per 100,000 population,^b age 18 and over, by income, United States, 2005-2008
				Median income of patient's ZIP Code
		Total		First quartile (lowest income)		Second quartile		Third quartile		Fourth quartile (highest income)
Data year		Rate	SE	Rate	SE	Rate	SE	Rate	SE	Rate	SE
Data year	2008	228.6	5.9	321.2	13.2	258.6	10.5	191.2	9.4	148.6	10.5
	2007	192.5	4.4	275.9	11.6	212.2	8.5	162.3	6.9	119.5	7.5
	2006	199.4	4.6	292.4	12.2	214.1	8.6	166.4	6.8	132.2	8.3
	2005	214.2	5.1	301.1	12.9	236.0	9.8	184.4	7.6	142.7	8.5

^a. Consistent with the Agency for Healthcare Research and Quality (AHRQ) Prevention Quality Indicators (PQI) software, chronic obstructive pulmonary disease must be the principal diagnosis. Transfers from other institutions are excluded. Rates prior to 2005 are not reported because of International Classification of Diseases, 9th Revision (ICD-9-CM) coding changes.

^b. Rates are adjusted by age and gender using the total U.S. resident population for 2000 as the U.S. standard population.

Key: SE: standard error.

Source: Agency for Healthcare Research and Quality (AHRQ), Center for Delivery, Organization, and Markets, Healthcare Cost and Utilization Project, Nationwide Inpatient Sample and AHRQ Quality Indicators, modified version 4.1.