Table 3 Comparison of quantitative parameters between the two groups (X²±S).

From: Feasibility study of ‘Triple-Low’ technique for coronary artery computed tomography angiography (CCTA)

Inspection mode

LAD CT value(HU)

LCX CT value(HU)

RCA CT value(HU)

Aortic CT value(HU)

Background noise

SNR

Iodine intake(g)

Experimental group (n = 45)

571.31 ± 49.66

570.41 ± 49.98

584.52 ± 53.70

624.91 ± 48.99

24.76 ± 1.97

25.30 ± 1.81

15.04 ± 0.76

Control group (n = 45)

449.20 ± 36.80

450.95 ± 39.27

452.66 ± 40.67

465.36 ± 34.37

19.09 ± 1.69

24.47 ± 1.75

18.89 ± 0.80

t

13.253

12.609

13.130

17.885

14.676

2.239

23.408

p

P < 0.01

P < 0.01

P < 0.01

P < 0.01

P < 0.01

P < 0.05

P < 0.01

Experimental group variance

2466.12

2984

2883.69

2400.02

3.88

3.28

0.58

Control group variance

1354.24

1542.13

1654.05

1181.3

2.86

3.06

0.64

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