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Table 1 Patient demographic and clinical characteristics by ACS index event treatment strategy

From: Economic burden of illness of acute coronary syndromes: medical and productivity costs

Variables

MM

n = 4,894

PCI

n = 4,729

CABG

n = 864

p-value*

Age, mean (SD)

54.3 (7.3)

54.8 (6.6)

56.5 (5.7)

a,b,c

Age group (%)

   18-34 years

1.6

0.7

0.1

a,b,c

   35-44 years

9.1

7.1

3.8

 

   45-54 years

32.3

34.0

28.0

 

   55-64 years

57.0

58.2

68.1

 

Gender (%)

   Female

42.2

21.0

22.1

b,c

Plan Type (%)

   Comprehensive

19.1

17.0

19.4

b,c

   HMO

21.0

16.0

14.0

 

   PPO

46.9

52.6

52.7

 

   POS

12.5

13.7

13.2

 

   Unknown

0.5

0.7

0.7

 

Region (%)

   Northeast

8.2

7.0

5.7

n.s.

   Northcentral

35.6

36.2

35.9

 

   South

40.0

41.2

44.7

 

   West

15.9

15.2

13.4

 

   Unknown

0.4

0.3

0.3

 

Comorbidities (%)

   Diabetes without chronic complications

25.0

18.2

24.9

a,b

   Diabetes with chronic complications

3.1

1.4

2.1

b

   Congestive heart failure

7.5

2.0

2.4

b,c

   Cerebrovascular disease

7.0

3.2

4.4

b,c

   Peripheral vascular disease

3.4

1.8

1.9

b,c

   Renal disease

3.4

1.3

1.6

b,c

   Rheumatologic disease

2.1

1.3

1.7

b

   Peptic ulcer disease

0.8

0.5

0.5

n.s.

   Chronic pulmonary disease

14.2

10.2

8.8

b,c

   Any malignancy

4.4

3.4

3.7

b

   Metastatic solid tumor

0.6

0.3

0.1

b

   Mild liver disease

0.6

0.2

0.2

b

   Moderate or severe liver disease

0.2

0.06

0.1

b

   AIDS

0.2

0.2

0

n.s.

   Dementia

0.2

0.1

0.1

n.s.

   Hemiplegia or paraplegia

0.2

0.02

0.1

b

Mean (SD) Charlson Comorbidity Score

0.75 (1.16)

0.48 (0.89)

0.56 (0.88)

a,b,c

MI listed as the primary diagnosis (%)

34.2

69.9

57.9

a,b,c

Length of stay (days)

   Mean (SD)

1.63 (3.01)

3.14 (2.41)

8.65 (5.15)

a,b,c

   Median

1

3

8

 

   75th percentile

2

4

10

 

Mortality rate at hospital discharge

0.2

0.1

0.2

n.s.

  1. *n.s. = not significant; a = p < 0.05 CABG vs. PCI; b = p < 0.05 MM vs. PCI; c = p < 0.05 MM vs. CABG.
  2. CABG = coronary artery bypass graft; HMO = health maintenance organization; MI = myocardial infarction; MM = medical management; PCI = percutaneous coronary intervention; POS = point of service; PPO = preferred provider organization; SD = standard deviation.