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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