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Insights into Imaging

Table 6 Distribution of underestimation in prostate cancer using mpMRI and USWE lesions of prostate cancer that located in transition zone, in peripheral zone and in both transition and peripheral zone

From: Preoperative imaging accuracy in size determination of prostate cancer in men undergoing radical prostatectomy for clinically localised disease

Measurements

Underestimate prostate cancer

%

Not underestimate prostate cancer

%

Pearson Chi-square

Degree of freedom

p value*

Lesions located in transition zone

       

 MRI (n = 20)

14

70.0

6

30.0

7.216

1

0.0072

 SWE (n = 29)

9

31.0

20

69.0

   

Lesions located in peripheral zone

       

 MRI (n = 85)

49

57.6

36

42.4

3.887

1

0.0487

 SWE (n = 89)

38

42.7

51

57.3

   

Lesions located in both zones

       

 MRI (n = 48)

45

93.8

3

6.2

7.616

1

0.0058

 SWE (n = 56)

41

73.2

15

26.8

   
  1. *To make the result statistically significant, the adjusted p value for comparison is 0.0038
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