Elixhauser Comorbidity Index (No. of Comorbid Disorders)	1A. Prevalence of ED Visits, %		1B. No. of ED Visits		1C. Hospital Bed Days for COPD and Other Chronic Conditions	1D. Total Medicaid Cost, $
	COPD-Related	Other Causes	COPD-Related	COPD-Related
0	6.7	34.9	0.086	0.826	0.418	11,934
1 or 2	11.6	55.8	0.173	1.816	2.163	16,455
3 or 4	16.2	75.3	0.284	3.263	7.118	27,575
5 or 6	19.1	84.6	0.390	4.738	13.574	41,497
≥7	22.9	93.1	0.525	7.751	29.091	73,152