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Publication Name
World Journal of Gastrointestinal Oncology
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1948-5204
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Baishideng Publishing Group Inc, 7041 Koll Center Parkway, Suite 160, Pleasanton, CA 94566, USA

Meta-Analysis
©The Author(s) 2026.
World J Gastrointest Oncol. Jan 15, 2026; 18(1): 113816
Published online Jan 15, 2026. doi: 10.4251/wjgo.v18.i1.113816
Table 2 The quality assessment according to Newcastle-Ottawa Scale of each retrospective study
Ref.
Representativeness of the exposed cohort
Selection of the non-exposed cohort
Ascertainment of exposure
Demonstration that outcome of interest was not present at start of study
Comparability of cohorts on the basis of the design or analysis
Assessment of outcome
Was follow-up long enough
Adequacy of follow up of cohorts
Total score
Lee et al[15], 2024★★★★★★★★8
Adhoute et al[16], 2022★★★★★★★★★9
Casadei-Gardini et al[19], 2021★★★★★★★★8
Iavarone et al[18], 2021★★★★★★★★8
Kuo et al[17], 2021★★★★★★★★★9
Choi et al[21], 2020★★★★★★★★★9
Lee et al[20], 2020★★★★★★★★8
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