Observational Study
Copyright ©The Author(s) 2016.
World J Hepatol. Dec 28, 2016; 8(36): 1629-1636
Published online Dec 28, 2016. doi: 10.4254/wjh.v8.i36.1629
Table 1 Demographic characteristics
Age (yr)
Mean ± SD40.5 ± 19.1
Median37
Gender (#)
Men24
Women76
Age by gender (yr)
Men
Mean ± SD50.0 ± 17.0
Median49
Women
Mean ± SD37.4 ± 18.8
Median31.5
Cholelithiasis known previously (from history)
Yes47
No53