Table 5 Comparison of subjective image quality and the main lesion between different diffusion-weighted imaging sequences of the prostate

 Overall image quality^b

4.0 ± 0.8

4.4 ± 0.7

<.001

 Distortion of prostate^b

4.1 ± 0.7

4.5 ± 0.7

<.001

 Rectal susceptibility artifact^b

1.6 ± 0.9

1.5 ± 0.8

0.035

 Artificial joint replacements^b

1.1 ± 0.6

1.0 ± 0.2

<.001

 Phase wrap-around^b

1.3 ± 0.7

1.0 ± 0.1

<.001

 Other artifacts out of body^b

1.2 ± 0.6

NA

NA

 eSNR^a

21.9 (17.5-29.2)

30.7 (25.1-40.4)

<.001

 CNR^a

1.6(1.0-3.6)

2.1(1.0-4.6)

0.011

 ADC^b

1027.6 ± 262.5

977.9 ± 272.7

<.001

 eSNR^a

27.7(22.3-37.6)

44.2(33.1-57.7)

0.233

 CNR^a

7.6 (2.5-15.6)

8.0 (4.0-16.7)

0.004

 ADC^b

751.5 ± 205.3

698.3 ± 158.8

<.001