Table 1.

Comparison of cross section area and volume of blood flow of the portal vein between the two groups (mean ± SD, n = 7)

Group	1 mo	6 mo
Cross section area of the portal vein (mm2)
Control group	0.0317 ± 0.0098	0.0333 ± 0.0103
PVA group	0.0433 ± 0.0242	0.0657 ± 0.015112
Volume of blood flow of the portal vein (mL/min)
Control group	37.6 ± 11.36	37.72 ± 9.09
PVA group	74.70 ± 42.76	132.01 ± 78.723

¹Compared with control P < 0.01;

²Compared with cross section area of the portal vein one month after PVA P < 0.05;

³Compared with control group P < 0.01.