Table 2 Analysis of image quality between the two groups.

From: Spectral shaping technology reduces the radiation dose of CT-guided lung tumor microwave ablation

Parameter

Experimental group

(n = 57)

Control group

(n = 57)

p value

CT value of thoracic aorta

43.05 ± 6.02

44.15 ± 7.10

0.376

Image noise

14.67 ± 3.66

10.06 ± 2.27

< 0.001

Signal-to-noise ratio

3.08 ± 0.74

4.59 ± 1.23

< 0.001

Subjective scoring

4.11 ± 0.94

4.35 ± 0.72

0.119