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. 2010 Jun 17;10:29. doi: 10.1186/1471-2261-10-29

Table 1.

Demographic and clinical characteristics of SPAA and CCB+statin primary prevention patients

SPAA CCB+Statin
Characteristic (N = 1,537) (N = 17,910) p-value
Age: (Years)
Mean 53.5 54.8 <.001
SD 7.6 8.5
Median 55 55
Age group: (n,%) <.001
 <50 years 412 26.8% 4,119 23.0%
 50-59 years 816 53.1% 9,636 53.8%
 60+ years 309 20.1% 4,155 23.2%
Gender: (n,%)
 Male 900 58.6% 9,327 52.1% <.001
Geographic Region: (n,%) <.001
 Northeast 525 34.2% 4,705 26.3%
 Midwest 389 25.3% 7,314 40.8%
 South 595 38.7% 5,296 29.6%
 West 28 1.8% 595 3.3%
Plan Type: (n,%) <.001
 Health Maintenance Organization (HMO) 311 20.2% 6,429 35.9%
 Indemnity Plan 92 6.0% 885 4.9%
 Point of Service (POS) 217 14.1% 2,313 12.9%
 Preferred Provider Organization (PPO) 884 57.5% 7,805 43.6%
 Unknown 33 2.1% 478 2.7%
Payer Type: (n,%) <.001
 Commercial Plan 1,462 95.1% 16,121 90.0%
 Medicaid 1 0.1% 158 0.9%
 Medicare Risk 26 1.7% 1,086 6.1%
 Self-Insured 38 2.5% 464 2.6%
 Other/Unknown 10 0.7% 81 0.5%
Charlson Comorbidity Burden:
Mean 0.4 0.5 <.001
SD 0.7 0.8
Comorbid Conditions of Interest: (n,%)
 Diabetes Mellitus 363 23.6% 5,242 29.3% <.001
 Dyslipidemia 1,188 77.3% 12,217 68.2% <.001
 Obesity 76 4.9% 1,063 5.9% 0.112
 Peripheral Vascular Disease 35 2.3% 476 2.7% 0.371
 Chronic Obstructive Pulmonary Disease 39 2.5% 638 3.6% 0.035
Number of Pre-Index Unique Prescriptions: <.001
 1-2 252 16.4% 1,847 10.3%
 3-4 392 25.5% 3,646 20.4%
 5-6 310 20.2% 3,682 20.6%
 7+ 583 37.9% 8,735 48.8%
Number of Pre-Index Other Antihypertensive Classes: <.001
 0 675 43.9% 6,771 37.8%
 1 718 46.7% 9,237 51.6%
 2 127 8.3% 1,693 9.5%
 3+ 17 1.1% 209 1.2%