EXHIBIT 1.

Admissions For Referral Sensitive Procedures Relative To Marker Conditions For Medicare Patients With And Without Mental Illnesses

	Na	% of referral sensitive admissionsb	Adjusted odds ratioc
			Point estimate 95% confidence interval
Overall referral-sensitive procedures versus marker conditions
Mental illness	199,573	45.74	0.476	0.469, 0.483
No mental illness	1,062,449	69.90	reference group
Hip/joint replacement versus marker conditions
Mental illness	162,023	33.17	0.637	0.622, 0.651
No mental illness	651,025	50.88	reference group
Breast reconstruction versus marker conditions
Mental illness	78,239	0.03	0.709	0.417, 1.206
No mental illness	201,198	0.10	reference group
Pacemaker insertion versus marker conditions
Mental illness	119,743	9.57	0.547	0.533, 0.560
No mental illness	395,239	19.09	reference group
Coronary artery bypass surgery versus marker conditions
Mental illness	114,630	5.53	0.386	0.373, 0.399
No mental illness	397,662	19.58	reference group
Coronary angioplasty versus marker conditions
Mental illness	127,705	15.20	0.334	0.327, 0.341
No mental illness	574,205	44.31	reference group
Organ and bone marrow transplant versus marker conditions
Mental illness	108,601	0.29	0.653	0.553, 0.772
No mental illness	323,307	1.09	reference group

SOURCE Authors’ analyses of data from the 2007 Medicare Provider Analysis and Review part A file, the 2000 US census data, the 2007 American Hospital Association annual hospital survey file, and the 2007 Area Resource File.

^aN is the number of referral-sensitive admissions, plus the number of admissions for marker conditions.

^bCalculated as the number of referral-sensitive admissions divided by the number of referral-sensitive admissions plus the number of admissions for marker conditions.

^cMultivariate logistic regression models adjusted for patient demographics, socioeconomic status, medical conditions, hospital characteristics, and county variables as listed in Exhibit A1 of the Appendix (see Note 19 in text).