Study Baseline Intervention measures Course (week) Outcome measures Assessment of methodological quality Experiment group Control group Random sequence generation Allocation concealment Blinding of participants and personnel outcome assessor Blinding of outcome assessor Incomplete outcome data Selective reporting Other sources of bias Chen 2001 [22 ] 26/26 Accordance Shen shuaining capsule + RT Coated Aldehyde Oxystarch capsule + RT 3 ⑤ Unclear Unclear Unclear Unclear Yes Unclear Unclear Feng 2006 [23 ] 21/19 Accordance Shen shuaining capsule + RT Coated Aldehyde Oxystarch capsule 4 ① ② Unclear Unclear Unclear Unclear Yes Unclear Unclear Lin 2007 [24 ] 45/41 Accordance Shen shuaining capsule + RT RT 6 ① ② ④ ⑤ Unclear Unclear Unclear Unclear Yes Unclear Unclear Zhou 2012 [25 ] 56/56 Accordance Shen shuaining capsule + RT RT 6 ⑤ Unclear Unclear Unclear Unclear Yes Unclear Unclear Wang 2013 [26 ] 24/24 Accordance Shen shuaining capsule + RT Coated Aldehyde Oxystarch capsule 6 ⑤ Unclear Unclear Unclear Unclear Yes Unclear Unclear Xu 2013 [27 ] 30/30 Accordance Shen shuaining capsule + RT Coated Aldehyde Oxystarch capsule 8 ① ② ⑤ Unclear Unclear Unclear Unclear Yes Unclear Unclear Wu 2014 [28 ] 66/50 Accordance Shen shuaining capsule + RT RT 6 ① ② ③ ④ ⑤ Stratified random Unclear Unclear Unclear Yes Unclear Unclear Wu 1998 [29 ] 60/56 Accordance Shen shuaining capsule + RT Coated Aldehyde Oxystarch capsule 6 ① ② ④ ⑤ Unclear Unclear Unclear Unclear Yes Unclear Unclear
Huang and Wang 2000 [30 ] 60/60 Accordance Shen shuaining capsule + RT RT 6 ① ② ⑤ Unclear Unclear Unclear Unclear Yes Unclear Unclear Yang 2003 [31 ] 30/32 Accordance Shen shuaining capsule + RT RT 6 ① ② ⑤ Unclear Unclear Unclear Unclear Yes Unclear Unclear Xu 2007 [32 ] 56/56 Accordance Shen shuaining capsule + RT Medicinal Charcoal Capsule 8 ⑤ Unclear Unclear Unclear Unclear Yes Unclear Unclear Wang 2009 [33 ] 68/68 Accordance Shen shuaining capsule + RT Coated Aldehyde Oxystarch capsule 6 ⑤ Unclear Unclear Unclear Unclear Yes Unclear Unclear Zhan 2002 [34 ] 45/31 Accordance Shen shuaining capsule + RT Coated Aldehyde Oxystarch capsule 24 ① ② ③ ⑤ Unclear Unclear Unclear Unclear Yes Unclear Unclear Liu 2009 [35 ] 50/50 Accordance Shen shuaining capsule + RT RT 12 ① ② ⑤ Unclear Unclear Unclear Unclear Yes Unclear Unclear Zhang 2011 [36 ] 46/32 Accordance Shen shuaining capsule + RT Coated Aldehyde Oxystarch capsule 24 ⑤ Unclear Unclear Unclear Unclear Yes Unclear Unclear Wang 2003 [37 ] 30/30 Accordance Shen shuaining capsule + RT RT 48 ① ③ ④ Unclear Unclear Unclear Unclear Yes Unclear Unclear Kang 2009 [38 ] 22/21 Accordance Shen shuaining capsule + RT RT 12 ① ② Random number of tables Unclear Unclear Unclear Yes Unclear Unclear Yao 2014 [39 ] 42/42 Accordance Shen shuaining capsule + RT RT 24 ⑤ Unclear Unclear Unclear Unclear Yes Unclear Unclear Zhang 2014 [40 ] 30/30 Accordance Shen shuaining capsule + RT RT 48 ⑤ Unclear Unclear Unclear Unclear Yes Unclear Unclear Liu 2007 [41 ] 25/20 Accordance Shen shuaining capsule + RT Coated Aldehyde Oxystarch capsule 6 ① ② ④ Unclear Unclear Unclear Unclear Yes Unclear Unclear
