Table 2

Baseline characteristics of patients with a zero CAC and absence or presence of ≥50% stenosis on CTCA

VariableCAD <50%
(n=737)
CAD ≥50%
(n=14)
P value
Age (years), mean±SD51.73±11.2454.49±8.130.3619
Male gender, N (%)311 (42.2%)8 (57.1%)0.2624
Hypertension, N (%)166 (22.5%)5 (35.7%)0.2436
Diabetes mellitus, N (%)30 (4.1%)1 (7.1%)0.5670
Obesity, N (%)71 (9.6%)4 (28.6%)0.0192
Smoking history, N (%)165 (22.4%)8 (57.1%)0.0022
Family history, N (%)230 (31.2%)6 (42.9%)0.3523
  • CAC, coronary artery calcification; CAD, coronary artery disease;CTCA, CT coronary angiography; N, number.