Research Article

The Clinical Effects of the Phlegm-Resolving Method in the Treatment of Obstructive Sleep Apnea-Hypopnea Syndrome: A Meta-Analysis of Randomized Controlled Trials

Table 2

Treatment methods used.

StudyDosage formIntervention
TC

Hu et al., 2012 [23]DecoctionMild: phlegm-eliminating and snore-stoppingdecoction + health guidance
Moderate and Severe: phlegm-eliminatingand snore-stopping Decoction + CPAP + healthguidance
Mild: Health guidance
Moderate and severe:CPAP + health guidance
Wang et al., 2013 [24]GranuleErchen snoring Granule + health guidanceHealth guidance
Chen et al., 2015 [25]GranuleJiawei ditan decoction + health guidanceHealth guidance
Feng et al., 2015 [26]DecoctionJianpi huatan formula + health guidanceHealth guidance
Lv et al., 2017 [27]DecoctionHuatan Zhihan decoction + CPAP + health guidanceCPAP + Health guidance
Liu et al., 2017 [28]DecoctionSnoring I + CPAPCPAP
Gui et al., 2017 [29]DecoctionModified huatan quyu kaiqiaodecoction + CPAP + health guidanceCPAP + Health guidance
Yin et al., 2017 [30]DecoctionJianpi Huatan decoction + CPAP + health guidanceCPAP + Health guidance
Xu et al., 2018 [31]GranuleErchen snoring granule + health guidanceHealth guidance
Lu, 2018 [32]DecoctionModified erchen decoction + CPAPCPAP
Jin et al., 2019 [33]GranuleXiaohan Liqi granules + health guidanceHealth guidance
Yang et al., 2019 [34]DecoctionModified erchen decoction and taohong siwudecoction + CPAP + health guidanceCPAP + Health guidance
Liu et al., 2019 [35]DecoctionQuyu Huatan decoction + CPAP + health guidanceCPAP + Health guidance

Note. T, treatment group; C, control group; N.R, not reported; CPAP, continuous positive airway pressure.