First author Country Year Language Number of authors Study type Participants ( Number of included studies Intervention Comparison Risk of the bias assessment tool Funding Cochrane review Song [15 ] China 2008 Chinese 4 SR 772 10 Xiao Xian Xiong decoction Modern medicine Jadad No No Yang [16 ] China 2011 Chinese 1 SR 2074 25 Herbal formula of TCM Modern medicine Cochrane No No Zhao [17 ] China 2011 Chinese 5 SR 772 21 Herbal formula with liver soothing and stomach therapy Modern medicine Jadad Yes No Chen [18 ] China 2014 Chinese 2 MA 1138 13 Ban Xia Hou Po decoction alone or in combination with modern medicine Modern medicine Cochrane No No Sun [19 ] China 2014 Chinese 3 SR 1703 14 Herbal formula with Tong Jiang He Wei therapy Modern medicine Jadad No No Zhang [20 ] China 2014 Chinese 1 SR 587 11 Herbal formula of TCM Modern medicine Cochrane Yes No Wang [21 ] China 2014 Chinese 1 SR 1895 29 Herbal formula of TCM Modern medicine Cochrane No No Li [22 ] China 2015 Chinese 3 SR & MA 1068 11 Herbal formula with Xin Kai Ku Jiang therapy Modern medicine Cochrane Yes No Pei [23 ] China 2015 Chinese 1 MA 896 10 Herbal formula of TCM Modern medicine No description No No Guo [24 ] China 2015 Chinese 2 MA 914 12 Ban Xia Xie Xin decoction Modern medicine Cochrane Yes No Ling [25 ] China 2015 English 10 SR & MA 2706 33 Wen Dan decoction Conventional therapies such as proton-pump inhibitors, GI motility-promotion drugs, and gastric mucosal protective drugs Cochrane No No Zheng [26 ] China 2016 Chinese 2 MA 2603 34 Chai Hu Shu Gan powder Modern medicine alone/combined with Chinese medicine Cochrane Yes No Zheng [27 ] China 2016 Chinese 2 MA 1305 11 Ban Xia Hou Po decoction alone or in combination with modern medicine Modern medicine Cochrane Yes No Ge [28 ] China 2016 Chinese 4 MA 756 6 Herbal formula of TCM Modern medicine Jadad Yes No Zhu [29 ] China 2017 Chinese 9 MA 3706 30 External treatment of TCM Modern medicine Cochrane Yes No Ghung [30 ] China 2017 Chinese 1 MA 894 11 Acupuncture Modern medicine Cochrane No No Chen [31 ] China 2017 Chinese 3 MA 2002 26 Ban Xia Xie Xin decoction Modern medicine Cochrane and Jadad Yes No Chen [32 ] China 2017 Chinese 3 MA 684 9 Herbal formula of TCM Modern medicine alone/combined with Chinese medicine Cochrane No No Dai [33 ] China 2017 English 6 SR & MA 1068 12 Modified Ban Xia Xie Xin decoction Modern medicine Cochrane Yes No Li [34 ] China 2018 Chinese 5 SR & MA 1158 18 Acupuncture and herbal formula Modern medicine Cochrane No No Xie [35 ] China 2018 Chinese 4 MA 1047 14 External treatment of TCM Modern medicine Jadad Yes No Xiao [36 ] China 2018 English 8 MA 1444 14 Herbal formula of TCM Modern medicine Cochrane and Jadad No No Zhu [37 ] China 2018 English 1 SR & MA 1235 12 Acupuncture Modern medicine Cochrane Yes No Li [38 ] China 2019 Chinese 6 NMA 1262 16 External treatment of TCM Modern medicine Jadad No No Xie [39 ] China 2019 Chinese 6 NMA 1667 21 Herbal formula of TCM Modern medicine Jadad No No Fu [40 ] China 2019 Chinese 9 MA 864 10 Herbal formula with liver soothing and stomach therapy Modern medicine Jadad Yes No Li [41 ] China 2019 Chinese 9 MA 1163 11 Acupuncture Modern medicine Cochrane Yes No Song [42 ] China 2019 Chinese 4 MA 1135 18 Acupuncture or and herbal formula of TCM Modern medicine Cochrane Yes No Wu [43 ] China 2019 Chinese 6 MA 2155 26 Acupuncture Modern medicine Cochrane Yes No Xiao [44 ] China 2019 Chinese 6 MA 3132 26 Xuan Fu Hua Dai Zhe Shi decoction Modern medicine Jadad No No Song [44 ] China 2020 Chinese 4 NMA 2266 26 Herbal formula of TCM Modern medicine Cochrane Yes No Li [45 ] China 2020 Chinese 3 MA 524 7 Herbal formula with Bu Qi Sheng Yang therapy Modern medicine Jadad Yes No Li [46 ] China 2020 English 10 MA 966 13 Si Ni Zuo Jin decoction Modern medicine Cochrane No No
