Table 11. Risk of bias assessment for AMS studies.

Study (year of publication)	Domain 1: risk of bias from the randomization process	Domain 2: risk of bias due to deviations from the intended interventions	Domain 3: missing outcome data	Domain 4: risk of bias in measurement of the outcome	Domain 5: risk of bias in selection of the reported result	Overall Risk of bias judgment
Traditional Chinese medicine (n=20)
Li et al. (2015) [41]	Low	Low	Low	Low	Low	Low
Ma et al. (2013) [43]	Some concerns	Low	Low	Low	Low	Low
Wang et al. (2012) [17]	Low	Low	High	Low	Low	Some concerns
Yu et al. (2017) [50]	Low	High	Low	Low	Low	High
Zhao et al. (2020) [52]	Low	Low	Some concerns	Low	Low	Some concerns
Xiang et al. (2016) [47]	Low	Some concerns	Low	Low	Low	Low
Xu et al. (2016) [49]	Low	Low	Low	Low	Low	Low
Chen et al. (2013) [37]	Low	Low	Low	Low	Low	Low
Ge et al. (2013) [39]	Some concerns	Some concerns	Low	Low	Low	Low
Li et al. (2020) [42]	Some concerns	Low	Some concerns	High	Low	Some concerns
Zhang et al. (2014) [51]	Some concerns	Low	Low	Low	Low	Some concerns
Xiong et al. (2020) [48]	Low	Some concerns	Low	Low	Low	Low
Che-Yi et al. (2005) [36]	Low	Low	Low	Low	Low	Low
Gao et al. (2002) [38]	Some concerns	Some concerns	Low	Low	Low	Low
Nahidi et al. (2018) [7]	Low	High	High	Low	Low	High
Ono et al. (2015) [3]	Low	High	High	High	Low	High
Su et al. (2009) [44]	Some concerns	Some concerns	Some concerns	Some concerns	Low	High
Wang et al. (2019) [45]	Low	Low	Low	Low	Low	Low
Wang et al. (2020) [46]	Low	High	High	Low	Low	High
Li et al. (2009) [40]	Low	Some concerns	Low	Low	Low	Low
Ayurveda (n=6)
Alam et al. (2020) [53]	Low	Some concerns	Low	Low	Some concerns	Some concerns
Fallahzadeh et al. (2012) [54]	Low	Low	Low	Low	Some concerns	Some concerns
Hoseini et al. (2019) [55]	Low	Some concerns	Some concerns	Low	Some concerns	Some concerns
Khajehdehi et al. (2011) [56]	Low	Low	Low	Low	Low	Low
Makhlough et al. (2010) [57]	Low	Low	Low	Low	Low	Low
Pingali et al. (2020) [58]	Low	Low	Low	Low	Low	Low
Naturopathy (n=5)
Khan et al. (2014) [60]	Low	Low	Low	Low	Low	Low
Prakash et al. (2004) [61]	Low	Low	Low	Low	Low	Low
Sedaghattalab et al. (2021) [62]	Low	Low	Low	Low	Low	Low
Zare et al. (2019) [63]	Low	Low	Low	Low	Low	Low
Boldaji et al. (2019) [59]	Low	Low	Low	Low	Low	Low
Homeopathy (n=2)
Cavalcanti et al. (2003) [16]	Low	Low	High	Low	Low	High
Silveira et al. (2019) [64]	Low	Low	Low	Low	Low	Low