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Meta-Analysis
©The Author(s) 2025.
World J Gastrointest Surg. Dec 27, 2025; 17(12): 111268
Published online Dec 27, 2025. doi: 10.4240/wjgs.v17.i12.111268
Table 2 Quality assessment results
Ref.
Study type1
Cochrane
CASP
Representativeness of the sample
Clarity of intervention description
Objectivity of outcome measures
Completeness of follow-up
Control of confounding bias
McGraw et al[8], 2023C8-----
Lau et al[9], 2019C7-----
Nykänen et al[10], 2017B-Fairly goodFairly goodFairly goodFairly goodFairly good
Manta et al[11], 2013A-AverageFairly goodFairly goodFairly goodAverage
Aina et al[12], 2001A-Fairly goodFairly goodFairly goodFairly goodAverage
Arrayeh et al[13], 2012B-Fairly goodFairly goodFairly goodFairly goodAverage
Defreyne et al[14], 2001A-Fairly goodFairly goodFairly goodAverageAverage
Dixon et al[15], 2013B-AverageFairly goodFairly goodAverageFairly good
Holme et al[16], 2006A-AverageFairly goodFairly goodAverageAverage
Kaminskis et al[17], 2019B-Fairly goodFairly goodFairly goodAverageFairly good
Laursen et al[18], 2014C8---Fairly good-
Muhammad et al[19], 2019A-AverageFairly goodFairly goodFairly goodAverage
Padia et al[20], 2009A-Fairly goodFairly goodFairly goodFairly goodAverage
Poultsides et al[21], 2008A-Fairly goodFairly goodFairly goodAverageFairly good
Song et al[22], 2011A-Fairly goodFairly goodFairly goodFairly goodFairly good
Spiliopoulos et al[23], 2018A-AverageFairly goodFairly goodFairly goodAverage
Ephraim et al[24], 2022A-Fairly goodFairly goodFairly goodFairly goodFairly good
Ang et al[25], 2012B-Fairly goodFairly goodFairly goodFairly goodAverage
Lee et al[26], 2015A-Fairly goodFairly goodFairly goodFairly goodFairly good
Huang et al[27], 2014A-Fairly goodFairly goodFairly goodFairly goodFairly good
Hur et al[28], 2017A-Fairly goodFairly goodFairly goodFairly goodFairly good


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