Table 3

PSI of the contrast agent in animal model at different stage a

Liver fibrosis stage
PSI of PV
PSI of parenchyma
PSI difference of PV and parenchyma

F0
-26.75 ± 1.09
-32.24 ± 0.89
6.09 ± 1.54
F1
-27.45 ± 0.35
-32.71 ± 0.46
5.40 ± 0.53
F2
-27.88 ± 1.35
-33.19 ± 0.51
5.00 ± 1.36
F3
-28.89 ± 2.72
-37.34 ± 0.69
7.12 ± 1.07
F4
-27.46 ± 0.22
-41.08 ± 0.86
13.62 ± 0.80

aValues are Mean ± SD

Zhang et al. BMC Gastroenterology 2007 7:32   doi:10.1186/1471-230X-7-32