Imaging features | grouping | Number of patients(n) | Pathology results | Χ2 | P | |
---|---|---|---|---|---|---|
benign(%) | PCa(%) | |||||
echo level | hypoechoic | 89 | 15 (18.52) | 74 (61.16) | 36.260 | < 0.001 |
isoechoic | 99 | 59 (72.84) | 40 (33.06) | |||
hypoechoic | 14 | 7 (8.64) | 7 (5.79) | |||
edge features | regular edges | 148 | 73 (90.12) | 75 (61.98) | 19.616 | < 0.001 |
irregular edges | 54 | 8 (9.88) | 46 (38.02) | |||
aspect ratio | ≥ 1 | 110 | 35 (43.21) | 75 (61.98) | 6.895 | 0.009 |
< 1 | 92 | 46 (56.79) | 46 (38.02) | |||
capsule bulge | positive | 107 | 21 (25.93) | 86 (71.07) | 39.701 | < 0.001 |
negative | 95 | 60 (74.07) | 35 (28.93) | |||
blood flow distribution | symmetrical | 115 | 62 (76.54) | 53 (43.80) | 21.213 | < 0.001 |
asymmetric | 87 | 19 (23.46) | 68 (56.20) | |||
enhancement pattern | fast-forward enhancement | 32 | 4 (4.94) | 28 (23.14) | - | < 0.001 |
fast-backward enhancement | 4 | 3 (3.70) | 1 (0.83) | |||
none | 93 | 51 (62.96) | 42 (34.71) | |||
both | 73 | 23 (28.40) | 50 (41.32) | |||
perfusion strength | hypoperfusion/nonperfusion | 26 | 4 (4.94) | 22 (18.18) | 22.056 | < 0.001 |
normal perfusion | 100 | 56 (69.14) | 44 (36.36) | |||
hyperperfusion | 76 | 21 (25.93) | 55 (45.45) | |||
diffuse enhancement | positive | 99 | 19 (23.47) | 80 (66.12) | 35.332 | < 0.001 |
negative | 103 | 62 (76.54) | 41 (33.88) | |||
strain pattern | homogeneous strain | 20 | 8 (9.88) | 12 (9.92) | 12.788 | 0.002 |
symmetric heterogeneous strain | 53 | 32 (39.51) | 21 (17.36) | |||
asymmetric strain | 129 | 41 (50.62) | 88 (72.73) | |||
focal no-strain | positive | 129 | 41 (50.62) | 88 (72.73) | 10.277 | 0.001 |
negative | 73 | 40 (49.38) | 33 (27.27) |