Table 1 Patient demographics (n = 80; the values are shown as the means ± standard deviations).

From: Image Quality and Radiation Dose for Prospectively Triggered Coronary CT Angiography: 128-Slice Single-Source CT versus First-Generation 64-Slice Dual-Source CT

Characteristics

128-MSCT

DSCT

P

Age (years)

56.2 ± 10.4

58.1 ± 9.2

0.798

Sex [female (male)]

10 (30)

7 (33)

0.833

Mean heart rate (beats/min)

58.6 ± 5.3

58.1 ± 6.1

0.711

Body mass index (BMI, kg/m2)

24.5 ± 3.0

25.4 ± 3.4

0.210

  1. There were no significant differences in age, sex, mean heart rate, or body mass index between the two groups (P = 0.210–0.833).
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