Retrospective Study
Copyright ©The Author(s) 2021.
World J Gastrointest Endosc. Sep 16, 2021; 13(9): 371-381
Published online Sep 16, 2021. doi: 10.4253/wjge.v13.i9.371
Figure 1
Figure 1 Study flowchart demonstrating survey weighted and propensity weighted analyses. CF: Cystic fibrosis.