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Meta-Analysis
©The Author(s) 2023.
World J Gastrointest Surg. Oct 27, 2023; 15(10): 2331-2342
Published online Oct 27, 2023. doi: 10.4240/wjgs.v15.i10.2331
Table 2 The quality assessment according to Newcastle-Ottawa Scale of each cohort study
Ref.Selection
Comparability
Outcome
Total score
Representativeness of the exposed cohort
Selection of the non -exposed cohort
Ascertainment of exposure
Demonstration that outcome
Comparability of cohorts
Assessment of outcome
Was follow-up long enough
Adequacy of follow up of cohorts
Christou et al[20], 2008★★★★★★★★8
Adams et al[17], 2009★★★★★★★★★9
McCawley et al[28], 2009★★★★★★★★8
Derogar et al[21], 2013★★★★★★★★8
Aravani et al[19], 2018★★★★★★★★8
Mackenzie et al[27], 2018★★★★★★★7
Kwak et al[25], 2019★★★★★★★★8
Schauer et al[29], 2019★★★★★★★★8
Bailly et al[16], 2020★★★★★★★★8
Tao et al[15], 2020★★★★★★★★8
Tsui et al[31], 2020★★★★★★★★8
Taube et al[30], 2021★★★★★★★★8
Aminian et al[18], 2022★★★★★★★★8
Desai et al[22], 2022★★★★★★★★8
Hussan et al[23], 2022★★★★★★★★8
Khalid et al[24], 2022★★★★★★★★8
Lazzati et al[26], 2022★★★★★★★★8


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