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Table 1 Patient and hospital characteristics, according to availability of on-site cardiac catheterization facilities at the hospital of admission for acute myocardial infarction

From: Impact of on-site cardiac catheterization on resource utilization and fatal and non-fatal outcomes after acute myocardial infarction

 

Hospitals with Catheterization Facilities (n= 9,355)

Hospitals without Catheterization Facilities (n= 25,934)

Patient characteristic (%)

   Median age, years (IQR)

67 (55–76)

67 (55–76)

   Patients >65 years

56.2

56.3

   Male

65.4

64.9

   Hypertension

35.0

28.8

   Diabetes mellitus

22.0

19.9

   Dyslipidemia

20.9

17.8

   Heart failure

21.7

22.1

   Atrial fibrillation

9.9

8.7

   Chronic obstructive pulmonary disease

12.2

15.2

   Peripheral vascular disease

8.5

7.8

   Cerebrovascular disease

6.8

6.4

   Chronic renal failure

7.3

5.7

   Acute renal failure

4.8

4.6

   Shock

5.7

4.7

   Malignancy

2.1

2.3

Hospital characteristic (%)

   Median length of stay, days (IQR)

7 (5–12)

9 (6–14)

Treating physician specialty

   Cardiology

92.4

28.9

   Family medicine

2.8

57.7

   Internal medicine

2.3

12.4

University-affiliation

86.9

33.6

AMI patient volume

   < 50 cases AMI/year

0

1.2

   50–100 cases AMI/year

0

17.2

   > 100 cases AMI/year

100.0

81.6

  1. IQR denotes interquartile range, AMI denotes acute myocardial infarction.