Basic Study
Copyright ©The Author(s) 2017.
World J Gastroenterol. May 28, 2017; 23(20): 3664-3674
Published online May 28, 2017. doi: 10.3748/wjg.v23.i20.3664
Table 4 Vessel diameter and blood flow velocity detected by transrectal ultrasound
nVessel diameter (mm)Blood flow velocity (cm/s)
Group A (stages III and IV)222.6 ± 0.456.4 ± 4.3
Group B (stages I and II)200.6 ± 0.420.8 ± 3.4
χ2/t-value16.183529.5566
P value00