Table 1 Baseline characteristics of the study population.

From: Beta-blockers provide a differential survival benefit in patients with coronary artery disease undergoing contemporary post-percutaneous coronary intervention management

Characteristics

Overall n = 87,980

AMI n = 38,246

Angina n = 49,734

Age, years

65 (56–74)

63 (54–74)

66 (57–74)

Male

62,776 (71.4)

29,172 (76.3)

33,604 (67.6)

Comorbid conditions

 Diabetes

29,814 (33.9)

10,416 (27.2)

19,398 (39.0)

 Hyperlipidemia

37,108 (42.2)

11,365 (29.7)

25,743 (51.8)

 Hypertension

51,986 (59.1)

18,428 (48.2)

33,558 (67.5)

 History of heart failure

5,538 (6.3)

1,297 (3.4)

4,241 (8.5)

 Cardiac arrhythmia

5,768 (6.6)

1,254 (3.3)

4,514 (9.1)

 Valvular heart disease

284 (0.3)

60 (0.2)

224 (0.5)

 Peripheral vascular disorder

9,926 (11.3)

3,318 (8.7)

6,608 (13.3)

 Cerebrovascular disease

10,605 (12.1)

3,153 (8.2)

7,452 (15.0)

 Chronic pulmonary disease

11,838 (13.5)

4,186 (10.9)

7,652 (15.4)

 Moderate-to-severe liver disease

34 (0.04)

13 (0.03)

21 (0.04)

 Renal disease

4,089 (4.6)

1,163 (3.0)

2,926 (5.9)

 Malignancy

1,749 (2.0)

642 (1.7)

1,107 (2.2)

 Rheumatic disease

143 (0.2)

49 (0.1)

94 (0.2)

Charlson comorbidity index

1 (0–2)

1 (0–2)

1 (0–2)

Type of treatment for PCI

 Drug-eluting stent

82,310 (93.6)

36,011 (94.2)

46,299 (93.1)

 Bioresorbable vascular scaffold

568 (0.6)

250 (0.7)

318 (0.6)

 Bare-metal stent

599 (0.7)

276 (0.7)

323 (0.6)

 Plain balloon angioplasty

4,503 (5.1)

1,709 (4.5)

2,794 (5.6)

Number of stents per person

1 (1–2)

1 (1–2)

1 (1–2)

Medication at discharge

 Aspirin

82,567 (93.8)

36,067 (94.3)

46,500 (93.5)

 P2Y12 receptor antagonists

87,194 (99.1)

37,107 (99.6)

49,087 (98.7)

 Statins

80,669 (91.7)

36,324 (95.0)

44,345 (89.2)

 ACEI or ARBs

56,389 (64.1)

27,264 (71.3)

29,125 (58.6)

  1. Data are shown as the median (interquartile range) or n (%).
  2. ACEI angiotensin-converting enzyme inhibitor, AMI acute myocardial infarction, ARB angiotensin II receptor antagonist, PCI percutaneous coronary intervention.