Observational Study
Copyright ©The Author(s) 2017.
World J Radiol. Mar 28, 2017; 9(3): 143-147
Published online Mar 28, 2017. doi: 10.4329/wjr.v9.i3.143
Table 3 Number of sub-optimal studies in each group
GroupNumber of sub-optimal studies
75 mL10
60 mL7
P = 0.96