Group A (n=82) Group B (n=82) P value
Age (y) 53 ± 10 55 ± 11 0.51
  (range: 34-83) (range: 30-80)  
Female patients (n, %) 35 (-42.7%) 31 (37.8%) 0.63
BMI (kg/m2) 22.15 ± 2.0 (range: 19.8-27.5) 22.74 ± 2.2 (range: 19.8-28.4) 0.1
HR (bpm) 62 ± 5 60 ± 4 0.08
  (range: 45-65) (range: 46-65)  
Hypertension 32 (-39%) 36 (43.9%) 0.64
Hyperlipidaemia 48 (-58.5%) 44 (53.7%) 0.63
Diabetes mellitu 23 (-28%) 18 (22.0%) 0.47
Family history of CAD 8 (9.8%) 10 (12.2%) 0.8
Smoking 28 (-34.1%) 25 (30.5%) 0.74
Scan length (cm) 463.39 ± 36.06 464.12 ± 36.35 0.89
  (range: 416-744) (range: 414-538)  
Scan time (ms) 679.88 ± 48.41 887.22 ± 67.24 0.001
  (range: 575-785) (range: 735-1024)  
DLP(mGy.cm) 197.05 ± 16.04 416.45 ± 22.36 <.001
Abbreviations: BMI=body mass index, HR=heart rate, bpm=beats per minute, CAD=coronary artery disease, DLP= dose-length product.
Table 1: Patient demographics and CTA characteristics.