Table 1 Demographic variables of 309 patients referred for cardiac CT

Males

176 (57.0%)

Age

67.3 ± 12.3 years

Hypertension, N (%)

210 (68.0%)

Hyperlipidemia, N (%)

148 (47.9%)

Diabetes, N (%)

74 (23.9%)

Smoking history, N (%)

Prior: 70 (22.7%)

Current: 61 (19.7%)

Family history, N (%)

160 (51.8%)

History of myocardial infarction, N (%)

49 (15.9%)

Prior PCI and/or CABG, N (%)

38 (12.3%)

Tube voltage, N (%)

80 kVp: 24 (7.8%)

100 kVp: 185 (59.9%)

120 kVp: 100 (32.3%)

Median radiation dose

1.9 mSv

(interquartile range, 1.5–2.6 mSv)