Table 1 Baseline characteristics of patients and controls.

Characteristic	Patients (n = 520)	Controls (n = 520)
Age (years)	67 (32–95)	67 (32–89)
Men	375 (72.1%)	375 (72.1%)
Smoking habit	279 (53.7%)	117 (22.5%)*
Hypertension	311 (59.8%)	167 (32.1%)*
Diabetes	134 (25.8%)	20 (3.8%)*
Dyslipidaemia	235 (45.2%)	119 (22.8%)*
Family history	177 (34%)	49 (9.4%)*
Creatinine (μmol/l)	84.0 (16.5)	82.2 (17.7)
BMI (kg/m2)	25.8 (2.8)	24.5 (3.1)
History of MI	18 (3.5%)	0
PCI	38 (7.3%)	0
CABG	17 (3.3%)	0

Data are median (range), mean (SD), or number (%).

*p<0.0001.

BMI, body mass index; CABG, coronary artery bypass grafting; MI, myocardial infarction; PCI, percutaneous coronary intervention.