Determining initial and follow-up costs of cardiovascular events in a US managed care population

Table 2 Baseline demographic and clinical characteristics

Demographic and Clinical Characteristics	CV-Event Patients (matched)	CV-Event Control Patients (matched)	P-value
Total Subjects	29,688	29,688
Age, mean (years)	55.5	55.4	0.5474
Age groups, %			0.9963
18-34	2.55	2.53
35-44	11.46	11.55
45-54	34.72	34.74
55-64	38.05	37.94
65+	13.22	13.23
Gender, %			1.00
Female	37.15	37.15
Payer type at index, %			<0.0001
Commercial Plan	74.75	74.35
Medicare	1.10	0.50
Medicaid Risk	13.87	13.41
Self-Insured	4.92	5.88
Unknown	5.35	5.85
Geographic Region at index, %			<0.0001
Northeast	19.26	22.31
Midwest	42.58	41.34
South	32.18	27.59
West	5.98	8.76
Duration of follow-up, mean (days)	696	696	0.7103
CCI, mean	0.56	0.27	<0.0001
Pre-index presence of DYS, %	30.12	22.08	<0.0001
Pre-index presence of HTN, %	39.01	22.01	<0.0001
Pre-index presence of DM, %	18.39	7.06	<0.0001
Pre-index 12-month total healthcare costs (mean), $ in 1000s	$5124	$2652	<0.0001

CV = cardiovascular; CCI = Charlson Comorbidity index; DYS = dyslipidemia; HTN = hypertension; DM = diabetes mellitus

ISSN: 1471-2261