Table 5 Distribution of underestimation in prostate cancer using mpMRI and USWE among patients whose cancer was located in transition zone, in peripheral zone and in both transition and peripheral zone
Measurements | Underestimation | % | Not underestimation | % | Pearson Chi-square | Degree of freedom | p value* |
|---|---|---|---|---|---|---|---|
Patient’s cancer in transition zone |  |  |  |  |  |  |  |
 MRI (n = 13) | 11 | 84.6 | 2 | 15.4 | 11.589 | 1 | 0.0007 |
 SWE (n = 9) | 1 | 11.1 | 8 | 88.9 |  |  |  |
Patient’s cancer in peripheral zone |  |  |  |  |  |  |  |
 MRI (n = 45) | 31 | 68.9 | 14 | 31.1 | 0.535 | 1 | 0.4646 |
 SWE (n = 36) | 22 | 61.1 | 14 | 38.9 |  |  |  |
Patient’s cancer in both zones |  |  |  |  |  |  |  |
 MRI (n = 48) | 45 | 93.8 | 3 | 6.2 | 5.743 | 1 | 0.0166 |
 SWE (n = 51) | 39 | 76.5 | 12 | 23.5 |  |  |  |