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Table 4 Objective analysis of the two groups’ image quality (n = 34 each) (x ± s)

From: Combined application of single-energy metal artifact reduction and reconstruction techniques in patients with Cochlear implants

 

Non-SEMAR

SEMAR

t

p

CT value (HU)

1726.41 ± 54.96

1720.29 ± 28.65

0.65

0.519

Image noise (HU)

79.18 ± 35.40

58.94 ± 20.68

2.88

0.007

AI(HU)

61.72 ± 43.04

35.30 ± 31.21

3.06

0.004

SNR

23.39 ± 12.49

33.63 ± 14.96

−3.04

0.005

  1. HU Hounsfield Units, AI Artifacts index, SNR Signal-to-noise ratio, SEMAR Single energy metal artifact reduction