Skip to main content

Table 5 Multivariable regression model comparing total costs following the index date

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

Variable

Parameter Estimate

Standard Error

Chi-Square

P-value

CV event: yes vs. no

1.7546

0.0377

2169.7

<0.0001

Hypertension: yes vs. no

0.246

0.0158

241.0

<0.0001

Hyperlipidemia: yes vs. no

0.1425

0.0163

76.4

<0.0001

Diabetes: yes vs. no

0.34

0.0213

254.5

<0.0001

18-34 years vs. 65+ years

0.5644

0.1162

23.6

<0.0001

35-44 years vs. 65+ years

0.5521

0.1097

25.3

<0.0001

45-54 years vs. 65+ years

0.7040

0.1083

42.3

<0.0001

55-64 years vs. 65+ years

0.8720

0.1082

65.0

<0.0001

Female: yes vs. no

0.1792

0.0143

156. 7

<0.0001

Plan type: HMO vs. Consumer-directed

0.0194

0.1470

0.02

0.8948

Plan type: Indemnity vs. Consumer-directed

0.1144

0.1490

0.6

0.4427

Plan type: PPO vs. Consumer-directed

0.1540

0.1469

1.1

0.2943

Plan type: POS vs. Consumer-directed

0.0564

0.1482

0.1

0.7036

Plan type: Other/Unknown vs. Consumer-directed

-0.1365

0.1585

0.7

0.3892

Payer type: Medicaid vs. Commercial

0.376

0.0798

22.2

<0.0001

Payer type: Medicare Risk vs. Commercial

0.6435

0.1068

36.3

<0.0001

Payer type: Self-insured vs. Commercial

-0.2372

0.0346

47.1

<0.0001

Payer type: Other/Unknown vs. Commercial

-0.0627

0.0317

3.91

0.0481

Physician specialty: Internal medicine vs. FP/GP

0.0242

0.0538

0.2

0.6529

Physician specialty: Cardiologist vs. FP/GP

0.0857

0.0445

3.7

0.054

Physician specialty: Other vs. FP/GP

0.0128

0.045

0.1

0.7752

Physician specialty: Unknown vs. FP/GP

0.0587

0.0555

1.1

0.2899

Geographic region: Northeast vs. West

-0.107

0.0316

11.4

0.0007

Geographic region: Midwest vs. West

-0.0077

0.0292

0.1

0.7924

Geographic region: South vs. West

-0.106

0.0296

12.8

0.0003

  1. HMO = Health Maintenance Organization; PPO = Preferred Provider Organization; POS = Point of Service; FP/GP = family practitioner/general physician