Observational Study
Copyright ©The Author(s) 2017.
World J Gastroenterol. Oct 21, 2017; 23(39): 7168-7173
Published online Oct 21, 2017. doi: 10.3748/wjg.v23.i39.7168
Table 1 General information (mean ± SD)
GroupnM/FAge (yr)
Observation group9354/3953.29 ± 9.49
Control group4027/1352.17 ± 8.14
t/χ21.0460.65
P value> 0.05> 0.05