The Clinical Efficiency and the Mechanism of Sanzi Yangqin Decoction for Chronic Obstructive Pulmonary Disease

Table 1

The characteristics of all included studies.

Author and reference	Year	Total sample	Control/treatment	Period of treatment (days)	Drug		Evaluation standard
					C	T
Cui et al. [26]	2017	100	50/50	7 d	1	2	①
Deng and Ceng [27]	2017	102	51/51	—	1	2	①
Deng and Tan [28]	2020	80	40/40	84 d	1	2	①②③
Gong and Shen [29]	2014	88	44/44	14 d	1	2	①④
He et al. [30]	2018	94	47/47	10 d	1	2	①②③
Huang [31]	2019	94	47/47	14 d	1	2	①②③
Hui [32]	2019	90	45/45	7 d	1	2	①③
Lai et al. [33]	2017	80	40/40	14 d	1	2	①
Li [34]	2014	88	44/44	14 d	1	2	①
Li et al. [35]	2019	180	90/90	7 d	1	2	①③
Li [36]	2020	97	48/49	12 d	1	2	①
Li et al. [37]	2013	112	56/56	28 d	1	2	①③
Li et al. [38]	2018	150	75/75	15 d	1	2	①
Liu [39]	2015	84	42/42	—	1	2	①
Liu [40]	2019	80	40/40	12 d	1	2	①
Lu and Wang [41]	2018	160	80/80	30 d	1	2	①④⑤
Lu [42]	2019	80	40/40	14 d	1	2	①②③
Lv et al. [43]	2011	100	50/50	14 d	1	2	①
Pang [44]	2019	82	41/41	7 d	1	2	①
Tian et al. [45]	2005	99	49/50	30 d	1	2	①
Wang [46]	2019	96	48/48	90 d	1	2	①②③
Wang et al. [47]	2020	84	42/42	14d	1	2	①②③⑤
Wu [48]	2018	252	126/126	—	1	2	①
Xu [49]	2020	80	40/40	14 d	1	2	①
Yan [50]	2018	80	40/40	15 d	1	2	①④⑤
Yang [51]	2011	160	72/88	14 d	1	2	①
Yang and Shi [52]	2014	86	40/46	14 d	1	2	①②③④⑤
Yang [53]	2020	80	40/40	90 d	1	2	①③
Yuan et al. [54]	2014	127	63/64	14 d	1	2	①②③
Zhang [55]	2016	100	50/50	15 d	1	2	①②③
Zhang [56]	2011	80	40/40	30 d	1	2	①
Zhang et al. [57]	2013	120	62/58	7 d	1	2	①④⑤
Zhang [14]	2018	80	38/42	7 d	1	2	①
Zhang and Fang [58]	2006	85	37/48	28 d	1	2	①②③
Zhou and Huang [59]	2017	160	80/80	30 d	1	2	②

Note. 1: routine western medicine treatment (including oxygen absorption, anti-infection, phlegm reduction, bronchial dilator, and glucocorticoid.); 2: Sanzi Yangqin decoction based on other medicine or Sanzi Yangqin decoction alone. ① Clinical efficacy. ② FEV1%. ③ FEV1%/FVC. ④ PaO2. ⑤ PaCO2.