Meta-Analysis
Copyright ©The Author(s) 2024.
World J Gastrointest Surg. Feb 27, 2024; 16(2): 585-595
Published online Feb 27, 2024. doi: 10.4240/wjgs.v16.i2.585
Table 3 Results of quality assessment using the Newcastle-Ottawa Scale for case-control studies
Ref.
Selection
Comparability
Exposure
Scores
Adequate definition of cases
Representativeness of the cases
Selection of controls
Definition of controls
Control for important factor1
Ascertainment of exposure
Same method of ascertainment for cases and controls
Non-response rate
Shakeri et al[31], 2013★★6
Zhang et al[8], 2022★★6
Zhang et al[34], 2022★★9