Retrospective Cohort Study
Copyright ©The Author(s) 2017.
World J Gastrointest Endosc. Jul 16, 2017; 9(7): 304-309
Published online Jul 16, 2017. doi: 10.4253/wjge.v9.i7.304
Table 2 Procedure time
Study group (n = 14)Control group (n = 14)P value
Procedure time (min), mean ± SD44 ± 2627 ± 70.026
≤ 2031
20-40118
40-6002
> 6003