Table 2.

Composition of formula.

Study ID	Formula	Composition of formula
Zheng, 2011 [40]	Modified BBTD	Pinellia ternate 9 g, atractylodes macrocephala 15 g, Gastrodia elata 10 g, tangerine peel 10 g, poria cocos 10 g, Glycyrrhiza 4 g, ginger 2 pieces, red jujube 5, grass leaved sweetflag 10 g, ligusticum chuanxiong hort 9 g, alisma orientalis 15 g, and Grifola umbellata 10 g
Xiong, 2010 [41]	Modified BBTD	Pinellia ternate 12 g, atractylodes macrocephala 15 g, Gastrodia elata 15 g, tangerine peel 12 g, poria cocos 12 g, alisma orientalis 15 g, plantain seed 15 g, bamboo bark 9 g, villous amomum fruit 3 g, Pinellia pedatisecta Schott 12 g, grass leaved sweetflag 15 g, ginger 9 g, red jujube 5, and Glycyrrhiza 6 g
Chen et al., 2005 [42]	Modified BBTD	Pinellia ternate 6 g, Gastrodia elata 9 g, atractylodes macrocephala 9 g, poria cocos 12 g, tangerine peel 12 g, Pinellia pedatisecta Schott 12 g, fructus aurantii 12 g, Glycyrrhiza 6 g
Wang, 2001 [43]	Modified BBTD	Pinellia ternate 15 g, atractylodes macrocephala 12 g, Gastrodia elata 15 g, tangerine peel 12 g, poria cocos 12 g, alisma orientalis 15 g, Uncaria 15 g (put in later), abalone shell 15 g (decocting first), ginger 15 g, jujube 5, and Glycyrrhiza 6 g
Che et al., 2011 [44]	Modified BBTD	Pinellia ternate 15 g, atractylodes macrocephala 25 g, Gastrodia elata 10 g, tangerine peel 10 g, poria cocos 10 g, kudzu root 10 g, Sophora flower 15 g, cassia seed 10 g, hawthorn 15 g, and Glycyrrhiza 5 g
Jin, 2011 [45]	BBTD	Pinellia ternate 10 g, atractylodes macrocephala 10 g, Gastrodia elata 10 g, tangerine peel 10 g, poria cocos 15 g, Glycyrrhiza 5 g, ginger 10 g, and jujube 10 g
Chen, 2007 [46]	Modified BBTD	Pinellia ternate 9 g, atractylodes macrocephala 12 g, Gastrodia elata 6 g, tangerine peel 10 g, poria cocos 15 g, alisma orientalis 10 g, hawthorn 10 g, cassia seed 15 g, grass leaved sweetflag 6 g, ligusticum chuanxiong hort 6 g, Salvia miltiorrhiza 12 g, and Glycyrrhiza 5 g
Guo, 2009 [47]	Modified BBTD	Pinellia ternate 12 g, atractylodes macrocephala 15 g, Gastrodia elata 10 g, tangerine peel 9 g, poria cocos 10 g, ligusticum chuanxiong hort 10 g, officinal magnolia bark 6–10 g, chrysoidine 9 g, grass leaved sweetflag 10 g, curcuma longa 10 g, ginger 3 pieces, and jujube 3
Li, 2011 [48]	Modified BBTD	Pinellia ternate 10 g, atractylodes macrocephala 10 g, Gastrodia elata 10 g, tangerine peel 12 g, poria cocos 15 g, citrus aurantium 10 g, bamboo bark 10 g, and Glycyrrhiza 6 g
Guo et al., 2006 [49]	Modified BBTD	Pinellia ternate 18 g, atractylodes macrocephala 12 g, Gastrodia elata 18 g, tangerine peel 12 g, poria cocos 15 g, grass leaved sweetflag 15 g, Eucommia ulmoides Oliv. 15 g, Prunella vulgaris 12 g, Glycyrrhiza 6 g, and jujube 5
Zhou, 2008 [50]	Modified BBTD	Pinellia ternate 12 g, atractylodes macrocephala 12 g, Gastrodia elata 6 g, tangerine peel 9 g, poria cocos 12 g, bamboo bark 9 g, Glycyrrhiza 6 g, villous amomum fruit 3 g, ginger 3 g, and jujube 5
Wu et al., 2007 [51]	Modified BBTD	Pinellia ternate 10 g, atractylodes macrocephala 10 g, Gastrodia elata 10 g, tangerine peel 10 g, poria cocos 15 g, bamboo bark 10 g, Coix lacryma-jobi 20 g, Glycyrrhiza 3 g, and ginger 3 pieces
Lei and Lin, 2009 [52]	BBTD	Pinellia ternate 12 g, atractylodes macrocephala 12 g, Gastrodia elata 15 g, tangerine peel 9 g, poria cocos 12 g, Glycyrrhiza 6 g, ginger 3 g, and jujube 5
Liu et al., 2007 [53]	Modified BBTD	Pinellia ternate 9 g, atractylodes macrocephala 15 g, Gastrodia elata 6 g, tangerine peel 6 g, poria cocos 6 g, Glycyrrhiza 5 g, angelica sinensis 10 g, white peony root 10 g, lotus leaf 15 g, and alisma orientalis 15 g
Zhang, 2002 [54]	Modified BBTD	Pinellia ternate 15 g, atractylodes macrocephala 15 g, Gastrodia elata 12 g, tangerine peel 12 g, poria cocos 12 g, Glycyrrhiza 10 g, plantain seed 15 g, and Loranthus parasiticus 15 g
Wang, 2005 [55]	Modified BBTD	Pinellia ternate 10 g, atractylodes macrocephala 15 g, Gastrodia elata 15 g, tangerine peel 15 g, poria cocos 30 g, hawthorn 15 g, and grass leaved sweetflag 15 g