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Table 3 Quality assessment of included trials

From: Effect of Xiaoyaosan on major depressive disorder

Study ID Adequate sequence generation Allocation concealment Incomplete outcome data Blinding Other source of bias Selective outcome reporting
Xian et al. [6] Yes Yes No Yes Unclear No
Feng et al. [7] Yes Yes Yes Yes Unclear No
Zhang et al. [8] Unclear Unclear No Unclear Unclear No
Wang et al. [9] Unclear Unclear No Unclear Unclear Yes
Wang et al. [10] Unclear Unclear No Unclear Unclear No
Nan et al. [11] Unclear Unclear No Unclear Unclear No
Li et al. [12] Unclear Unclear Yes Unclear Unclear No
Du et al. [13] Unclear Unclear Yes Unclear Unclear Yes
Ma [14] Yes Unclear Yes Unclear Unclear No
Chen [15] Unclear Unclear No Unclear Unclear No
Zhai et al. [16] Unclear Unclear No Unclear Unclear No
Zhang et al. [17] Unclear Unclear No Unclear Unclear No
Zhang et al. [18] Unclear Unclear Yes Unclear Unclear No
Xia et al. [19] Unclear Unclear No Unclear Unclear No
Xiang [20] Unclear Unclear No Unclear Unclear No