PI-RADS classification* | Stiffness (in Kpa, N = 196) | % | Pearson Chi-square | Degree of freedom | p value | r | κ (linear weighted) | κ (quadratic weighted) |  | ||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
< 100 (n = 43) | % | 100–130 (n = 47) | % | > 130 (n = 106) |  | ||||||||
PI-RADS 3 | 4 | 9.3 | 2 | 4.3 | 10 | 9.4 | Â | 11.084 | 0.026 | 0.231 | 0.034 | 0.078 | Â |
PI-RADS 4 | 17 | 39.5 | 7 | 14.9 | 21 | 19.8 | Â | Â | Â | Â | Â | Â | Â |
PI-RADS 5 | 22 | 51.2 | 38 | 80.8 | 75 | 70.8 | Â | Â | Â | Â | Â | Â | Â |