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Insights into Imaging

Table 4 Quantitative image analysis results for anatomical imaging at 3 T and 5 T

From: Renal imaging at 5 T versus 3 T: a comparison study

Parameters

Sequences

Axial T1W 3D GRE

Coronal T1W 3D GRE

Axial T2W FSE

3 T

5 T

3 T

5 T

3 T

5 T

SNR (renal cortex)

202.84 ± 58.97

310.50 ± 81.73

137.40 ± 63.79

205.78 ± 75.48

434.80 ± 127.36

799.59 ± 273.45

p-value

0.001

0.001

0.001

SNR (liver)

239.68 ± 116.18

347.93 ± 137.50

155.65 ± 97.15

232.07 ± 118.94

138.86 ± 37.23

162.70 ± 54.00

p-value

0.001

0.001

0.013

SNR (spleen)

204.83 ± 74.09

303.21 ± 63.46

127.81 ± 56.33

200.41 ± 66.96

329.66 ± 105.46

481.17 ± 172.74

p-value

0.001

0.001

0.001

SNR (muscle)

206.97 ± 72.96

310.57 ± 57.64

129.70 ± 72.02

190.85 ± 75.09

151.13 ± 49.83

319.40 ± 85.73

p-value

0.001

0.005

0.001

CR (renal cortex/liver)

0.10 ± 0.07

0.15 ± 0.07

0.08 ± 0.06

0.11 ± 0.06

0.51 ± 0.05

0.66 ± 0.08

p-value

0.026

0.013

0.001

CR (spleen/liver)

0.07 ± 0.06

0.09 ± 0.08

0.08 ± 0.07

0.10 ± 0.07

0.39 ± 0.09

0.49 ± 0.05

p-value

0.030

0.016

0.013

CR (muscle/liver)

0.07 ± 0.06

0.10 ± 0.07

0.08 ± 0.06

0.11 ± 0.07

0.12 ± 0.08

0.33 ± 0.12

p-value

0.030

0.009

0.002

  1. SNRs and CRs are given as mean ± standard deviation
  2. T1W T1-weighted; T2W T2-weighted; GRE gradient-echo; FSE fast spin echo; SNR signal-to-noise ratio; CR contrast ratio
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