Table 1 Image quality of ADC maps obtained by rs –EPI and ss-EPI.

From: Readout-segmented echo-planar diffusion-weighted MR for the evaluation of aggressive characteristics of rectal cancer

Parameters

rs-EPI

ss-EPI

Reader 1

Reader 2

Kappa

Reader 1

Reader 2

Kappa

Geometric distortion

4.84 ± 0.37*

4.83 ± 0.38*

0.83

4.29 ± 0.67

4.15 ± 0.57

0.80

Spatial resolution

4.79 ± 0.41*

4.77 ± 0.42*

0.82

3.84 ± 0.78

3.71 ± 0.62

0.71

Lesion conspicuity

4.76 ± 0.49*

4.72 ± 0.49*

0.87

3.56 ± 0.74

3.47 ± 0.76

0.70

Comprehensive image quality

4.79 ± 0.41*

4.81 ± 0.40*

0.88

3.72 ± 0.57

3.72 ± 0.59

0.85

  1. Note: Values are presented as the mean ± SD.rs-EPI, readout-segmented echo-planar imaging. ss-EPI, single-shot echo-planar imaging. *rs-EPI vs. ss-EPI, P < 0.05.
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