100 kV

Mono_E 55 keV

Mono+ 55 keV

P value

SNReso

3.93 ± 1.40

2.37 ± 0.82

4.60 ± 1.49

P < 0.05

SNRtumor

3.62 ± 0.85

2.37 ± 0.71

4.15 ± 0.99

P < 0.05

NOISEair

7.30 ± 1.51

16.06 ± 2.85

6.09 ± 1.03

P < 0.05

CNRtumor

2.47 ± 2.19

1.78 ± 1.70

4.27 ± 3.83

P < 0.05