Table 1: Patient demographics and clinical risk factors.

 

Total cohort

(n = 368)

Patients ≤ 55 years of age (n = 119)

Patients > 55 years of age (n = 249)

p*

Mean age (years SD)

61.1 12.8

46.7 5.7

68.1 8.9

< 0.001

Mean BMI (kg/m2 SD)

28.6 5.2

29.0 5.0

28.4 5.2

0.262

Male, n (%)

298 (81.0%)

105 (88.2%)

193 (77.5%)

0.014

Previous MI, n (%)

93 (25.3%)

12 (10.1%)

81 (32.5%)

< 0.001

Previous PCI, n (%)

61 (16.6%)

13 (10.9%)

48 (19.3%)

0.044

Previous CABG, n (%)

29 (7.9%)

0 (0%)

29 (11.7%)

< 0.001

Family history of premature CHD, n (%)

72 (19.6%)

50 (42.0%)

22 (8.8%)

< 0.001

Type 1 diabetes mellitus, n (%)

6 (1.6%)

3 (2.5%)

3 (1.2%)

0.351

Type 2 diabetes mellitus, n (%)

114 (31.0%)

25 (21.0%)

89 (35.7%)

0.004

Hypertension, n (%)

223 (60.6%)

59 (49.6%)

164 (65.9%)

0.003

Dyslipidaemia, n (%)

202 (54.9%)

73 (61.3%)

129 (51.8%)

0.085

Smoking current, n (%)

141 (38.3%)

75 (63.0%)

66 (26.5%)

< 0.001

Smoking ex, n (%)

75 (20.4%)

9 (7.6%)

66 (26.5%)

< 0.001

PVD, n (%)

13 (3.5%)

2 (1.7%)

11 (4.4%)

0.183

CVA, n (%)

16 (4.4%)

4 (3.4%)

12 (4.8%)

0.521

 

BMI = body mass index, MI=myocardial infarction, PCI = percutaneous coronary intervention, CABG = coronary artery bypass grafting, CHD = coronary heart disease,

PVD = peripheral vascular disease, CVA = cerebrovascular accident.

*p is for comparison between patients ≤ 55 years of age and patients > 55 years of age.