Meta-Analysis
Copyright ©The Author(s) 2023.
World J Gastrointest Oncol. Jan 15, 2023; 15(1): 171-185
Published online Jan 15, 2023. doi: 10.4251/wjgo.v15.i1.171
Table 2 Quality assessment of the meta-analysis
Ref.
Selection
Comparability of the cases and controls
Exposure
Total stars
Adequate case definition
Representativeness of the cases
Selection of the controls
Definition of Controls
Ascertainment of exposure
Same ascertainment method for cases and controls
Non-response rate
Zhang et al[59], 2016★★-★★★★★-7
Li et al[60], 2015★★★★★★★★-8
Yan et al[61], 2015★★★★★★★-7
Qi et al[62], 2014★★★★★★★-7
Chu et al[63], 2014★★-★★★★★-7
Zhou et al[64], 2012★★★★★★★★-8
Xiang et al[65], 2012★★-★★★★-6
Xiang et al[65], 2012★★-★★★★-6
Kim et al[40], 2012★★★★-★★-6
Zhang et al[48], 2020★★-★★★★★-7
Toraih et al[50], 2016★★-★-★★-5
Fteah et al[56], 2019★★-★★★★★-7
Abdel-Hamid et al[57], 2018★★-★★★★★-7
Al-Qahtani et al[58], 2017★★-★-★★-5
Al-Qahtani et al[58], 2017★★-★-★★-5
Al-Qahtani et al[58], 2017★★-★-★★-5
Al-Qahtani et al[58], 2017★★-★-★★-5