Table 4. Pure molecular diffusion (D), perfusion-related diffusion (D*), and perfusion fraction (f) in different degrees of steatosis.
No Steatosis | Mild Steatosis | Moderate Steatosis | Severe Steatosis | Statistical test | p value | |
---|---|---|---|---|---|---|
Number of patients | 5 | 31 | 6 | 17 | ||
f | ||||||
Mean | 39.59 | 36.2 | 34.18 | 36.78 | ANOVA F-test (3, 55 df) = 0.305 | 0.8217 |
(SD) | (14.04) | (8.07) | (7.06) | (11.21) | ||
D* (x10 -3 mm 2 /s) | ||||||
Median | 48.07 | 45.88 | 39.91 | 35.01 | Kruskal-Wallis test | 0.1056 |
(IQR) | (40.88,48.22) | (35.64,63.79) | (26.21,47.5) | (27.21,42.2) | ||
D (x10 -3 mm 2 /s) | ||||||
Median | 0.96 | 0.83 | 0.75 | 0.7 | Kruskal-Wallis test | 0.002 |
(IQR) | (0.92,0.97) | (0.74,0.88) | (0.68,0.81) | (0.58,0.76) |
D, pure molecular diffusion; D*, perfusion-related diffusion; f, vascular fraction; SD; Standard deviation; IQR; interquartil range.