Meta-Analysis
Copyright ©The Author(s) 2022.
World J Gastrointest Surg. Dec 27, 2022; 14(12): 1397-1410
Published online Dec 27, 2022. doi: 10.4240/wjgs.v14.i12.1397
Table 3 Methodological quality of the observational studies assessed with the Newcastle-Ottawa scale
AuthorRepresentativeness of the exposed cohortSelection of the non-exposed cohortAscertainment of exposureDemonstration that outcome of interest was not present at start of studyComparability of cohorts on the basis of the design or analysisAssessment of outcomeWas follow-up long enough for outcomes to occurAdequacy of follow up of cohortsTotal score
de’Angelis[13], 2015*********9
Kanso et al[14], 2015*********9
Marks et al[16], 2016****-***7
Lelong et al[17], 2017********8
Mege et al[19], 2018*********9
Rubinkiewicz et al[20], 2018*********9
Roodbeen et al[21], 2019*********9
Rubinkiewicz et al[22], 2019********8
Ren et al[23], 2021*********9
Li et al[24], 2022*********9