Table 3: Characteristics of the included Cochrane reviews.

InterventionComparisionNumber of RCTsParticipants

Wu et al., 2012 [14]IVIG, thymosin, OTF, MPT, BCG, Lantigen B, TIAOJINING, Huangqi granules + baseline treatmentBaseline treatment12762

Yuan et al., 2008 [16] Huangqi injection, Huangqi and red Chinese, Huangqi and Danggui + baseline treatment date Baseline treatment3128

IVIG: intravenous immunoglobulin; OTF: oral transfer factor; MPT: mannan peptide tablet; BCG: Bacillus Calmette-Guerin (BCG) vaccine injection; and baseline treatment: STD prednisone.