Table 2. Correlations and comparisons of DKI-derived parameters and apparent diffusion coefficient between different histopathological groups.
| Parameters | MVI status† | Edmondson-Steiner grades† | ||||||
|---|---|---|---|---|---|---|---|---|
| MVI negative‡ (N=36) | MVI positive (N=38) | P | Low-grade (N=45) | High-grade (N=29) | P | Spearman’s correlation | ||
| ADC† (×10−3 mm2/s) | 1.29±0.17 | 1.22±0.16 | 0.071 | 1.30±0.16 | 1.17±0.15 | 0.001** | −0.493** | |
| MD† (×10−3 mm2/s) | 1.51±0.22 | 1.41±0.22 | 0.055 | 1.54±0.22 | 1.34±0.18 | <0.001** | −0.501** | |
| MK‡ | 0.82±0.09 | 0.91±0.10 | <0.001** | 0.82±0.09 | 0.93±0.10 | <0.001** | 0.570** | |
†, independent-sample t test; ‡, Mann-Whitney U test. **, P value <0.01. ADC, apparent diffusion coefficient; MD, mean corrected apparent diffusion coefficient; MK, mean apparent kurtosis coefficient; MVI, microvascular invasion.