Meta-Analysis
Copyright ©The Author(s) 2022.
World J Gastrointest Surg. Mar 27, 2022; 14(3): 247-259
Published online Mar 27, 2022. doi: 10.4240/wjgs.v14.i3.247
Figure 1
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Figure 1  Flow diagram of the study selection process.
Figure 2
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Figure 2 Risk of bias of the enrolled studies. The methodological quality of the included studies was similar. No study had a high risk for confounding variables.
Figure 3
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Figure 3 Long vs short myotomy. Meta-analysis of primary outcomes (clinical success rate).
Figure 4
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Figure 4  Operative time of long vs short myotomy.
Figure 5
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Figure 5 Long vs short myotomy. Meta-analysis of secondary outcomes. A: Endoscopic reflux esophagitis; B: Hospitalization; C: Major bleeding.