Table 4.
Diagnostic performance of DWI, DKI, and IVIM parameters in different genotypes of breast cancer.
| Genotypes | n | ADC (×10−3 mm2/s) | D (×10−3 mm2/s) | D* (×10−3 mm2/s) | F (%) | MD (×10−3 mm2/s) | MK |
|---|---|---|---|---|---|---|---|
| Luminal A | 29 | 1.01 ± 0.29 | 0.72 ± 0.30 | 17.29 ± 8.87 | 28.88 ± 12.51 | 2.44 ± 0.73 | 0.63 ± 0.16 |
| Luminal B | 122 | 0.93 ± 0.32 | 0.58 ± 0.26 | 35.23 ± 26.11 | 40.06 ± 14.13 | 2.24 ± 0.68 | 0.68 ± 0.21 |
| HER-2-positive | 36 | 1.16 ± 0.41 | 0.88 ± 0.38 | 44.88 ± 24.53 | 36.79 ± 14.16 | 2.80 ± 0.80 | 0.79 ± 0.25 |
| Triple-negative | 40 | 1.02 ± 0.35 | 0.78 ± 0.36 | 45.20 ± 23.87 | 48.75 ± 18.66 | 2.44 ± 0.76 | 0.84 ± 0.23 |
| F/χ2 | 4.544 | 11.101 | 41.376* | 10.585 | 7.713 | 8.509 | |
| p | 0.004 | <0.001 | <0.001 | <0.001 | <0.001 | <0.001 |
DWI, diffusion-weighted imaging; DKI, diffusion kurtosis imaging; IVIM, intravoxel incoherent motion.
*Kruskal–Wallis H test.