Table 2 The results of radiation dose among different CT protocols.

From: Image quality and radiation dose of reduced-dose abdominopelvic computed tomography (CT) with silver filter and deep learning reconstruction

 

Standard dose with IR

SilverBeam with DLR

P value

CTDIvol, mGy

5.59 ± 2.10

2.28 ± 0.76

0.001

  BMI ≥ 25

6.87 ± 2.23

3.01 ± 0.72

0.001

  BMI 24.9–20

5.04 ± 1.79

2.01 ± 0.40

0.001

  BMI < 20

4.31 ± 0.73

1.45 ± 0.17

0.001

DLP, mGy·cm

304.92 ± 124.93

131.50 ± 51.96

0.001

  BMI ≥ 25

383.17 ± 132.21

180.02 ± 51.58

0.001

  BMI 24.9–20

272.54 ± 105.75

113.76 ± 28.27

0.001

  BMI < 20

223.01 ± 45.22

77.11 ± 13.60

0.001

ED, mSv

4.57 ± 1.87

1.87 ± 0.77

0.001

  BMI ≥ 25

5.74 ± 1.98

2.70 ± 0.77

0.001

  BMI 24.9–20

4.09 ± 1.58

1.71 ± 0.42

0.001

  BMI < 20

3.34 ± 0.67

1.15 ± 0.20

0.001

  1. Significant values are in bold, italics, bolditalics.
  2. Data are reported as mean ± standard deviation. BMI body mass index; IR iterative reconstruction; DLR deep learning reconstruction; CTDIvol CT dose index volume; DLP dose length product; ED effective dose.
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