《Table 2 Result of publication bias tests》

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《幽门螺杆菌感染与舌象关联性的Meta分析（英文）》

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We initially identified 124 studies via the aforementioned search strategy.After reading the titles and abstracts，we excluded 54 studies，which left us with 70.Among the 70 studies，only 33 mentioned Zheng（meaning syndrome or pattern）[1]，rather than giving specific outcomes of tongue diagnostics.Of the remaining 43 studies，37 did not meet the inclusion criteria.The final 6 studies included 975patients，and 50 healthy people in total（Table 1）.Figure1 shows the specific selection process.Table 2shows the characteristics of the 6 studies.