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 1 Characteristics of the study population
60 mL75 mL (control)
Size5770
Gender (M:F)23:3432:38
Mean age (yr)65.762.7
Age range (yr)34-9316-92