Table 6 Quantitative evaluation of noise on TFI and FBP: SD value.

From: The evaluation of the reduction of radiation dose via deep learning-based reconstruction for cadaveric human lung CT images

Tube current–time products (mAs)

Score

10

25

50

75

100

175 (FBP)

Noise (FBP)

26.2 ± 2.0*

19.8 ± 2.4*

14.3 ± 1.8*

11.9 ± 1.3*

10.6 ± 1.3*

8.0 ± 0.6

Noise (TFI)

11.9 ± 0.8*

8.4 ± 1.6

6.0 ± 1.3*

5.4 ± 0.9*

4.9 ± 0.7*

  1. SD values are presented as mean ± SD. SD values of quantitative evaluation of noise were statistically analyzed using two-way ANOVA and the Bonferroni test as post-hoc test to compare the noise of FBP and TFI images at five different tube current–time products (10-, 25-, 50-, 75-, and 100-mAs) with the noise of 175-mAs-FBP images.
  2. *There was a significant difference compared to 175-mAs-FBP (p < 0.005).
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