An Overview of Systematic Reviews of Using Chinese Medicine to Treat Polycystic Ovary Syndrome

Table 10

GRADE quality-of-evidence ratings for luteinizing hormone/follicle-stimulating hormone level.

Included systematic reviews	Number of studies included	Luteinizing hormone/follicle-stimulating hormone effect (95% CI)	GRADE quality of evidence	Relegation factors
Xiao Chao 2016 [18]	4	MD = –0.81, 95% CI (–1.17, –0.45)	Very low	①②④⑤
Lu RuLing et al. 2018 [20]	12	MD = –0.25, 95% CI (–0.44, –0.06)	Very low	①②⑤
Ji Lin 2019 [26]	11	SMD = –0.45, 95% CI (–0.68, –0.23)	Low	①②
Xie Peng Peng et al. 2019 [27]	3	WMD = –1.04, 95% CI (–1.78, –0.33)	Very low	①②④⑤
Dong YuFang 2020 [29]	22	SMD = –0.39, 95% CI (–0.60, –0.19)	Very low	①②④
Lin BeiBei 2020 [32]	14	MD = –0.37, 95% CI (–0.53, –0.21)	Very low	①②④

Note. CI: confidence interval; MD: mean difference; SMD: standardized mean difference; WMD: weighted mean difference; ①: limitation; ②: inconsistency; ③: indirectness; ④: publication bias; ⑤: imprecision.