Cardiac, Cardiovascular system, Computer applications, CT, Computer Applications-Detection, diagnosis, Calcifications / Calculi
S. KI, C. H. Park, T. H. Kim, K. Han, J. Y. Kim; Seoul/KR
Twenty subjects (M:F = 13:7,
mean age = 67.7 ± 2.1 years) that clinically required non-chest CT scans were prospectively enrolled. The mean height was 162.8 ± 11.7cm; body weight,
64.2± 13.2 kg; and heart rate during scanning,
75.7 ± 13.1 beats per minute. The demographic data related to the past history of the patient were as follows.
Calcium score in calcium score CT
Mean CACS on the coronary calcium scoring CT was 346.4 ± 535.4.
Mean CACS on the non-enhanced chest CT with 2.5 mm,
1.25mm and 0.625mm slice thickness were 243.7 ± 352.5,
299.8 ± 433.9 and 326.2 ± 437.7 respectively (p<0.05).
Correlation coefficients of CACS between coronary calcium score CT and non-enhanced chest CTs with 2.5 mm,
1.25mm and 0.625 slice thickness were 0.9800,
0.9718 and 0.9820 respectively.
Calcium score in chest CT
CACS measured by calcium score CT and chest CT has the linear relationship in the all slice thickness.
Inter-observer agreement for the calcium score measurement was 0.994.