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.