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Table 2 Comparison of objective image data

From: Model-based iterative reconstruction for reduction of radiation dose in abdominopelvic CT: comparison to adaptive statistical iterative reconstruction

 

Image noise or CT number (HU)

Comparison (P value)

 

UL-MBIR

L-ASIR

UL-ASIR

UL-MBIR vs. L-ASIR

UL-MBIR vs. UL-ASIR

L-ASIR vs.UL-ASIR

Image noise

Aorta

18.1 ± 3.5

47.4 ± 6.6

90.5 ± 11.1

<0.001*

<0.001*

<0.001*

Muscle

17.2 ± 2.7

43.9 ± 6.2

80.8 ± 9.1

<0.001*

<0.001*

<0.001*

CT number

Aorta

39.8 ± 5.7

43.6 ± 6.3

45.4 ± 9.5

<0.001*

<0.001*

0.085

 

Muscle

58.5 ± 9.2

57.6 ± 8.8

59.1 ± 10.5

0.125

0.441

0.096

  1. For comparison, Student’s paired t-test was performed.
  2. *P<0.016.