Meta-Analysis
Copyright ©The Author(s) 2025.
World J Gastrointest Oncol. May 15, 2025; 17(5): 105148
Published online May 15, 2025. doi: 10.4251/wjgo.v17.i5.105148
Table 2 The quality assessment according to Newcastle-Ottawa Scale of each cohort 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
Tseng et al[26]★★★★★★★7
Hosaka et al[16]★★★★★★★7
Hsieh et al[18]★★★★★★★★★9
Kaneko et al[19]★★★★★★★7
Suzuki et al[23]★★★★★★★7
Liang et al[22]★★★★★★★★8
To et al[25]★★★★★★★★★9
Tseng et al[27]★★★★★★★★8
Suzuki et al[24]★★★★★★★★8
Hosaka et al[17]★★★★★★★★★9
Ando et al[12]★★★★★★★★★9
Chen et al[13]★★★★★★★★8
Cheung et al[14]★★★★★★★★★9
Tada et al[28]★★★★★★★★8
Honda et al[15]★★★★★★★★★9
Kumada et al[20]★★★★★★★★★9
Kusakabe et al[21]★★★★★★★★★9