Effect of Endurance Training in COPD Patients Undergoing Pulmonary Rehabilitation: A Meta-Analysis

Table 1

Literature review and risk bias assessment.

Author	Year	Language	No. of patients		Outcomes	Risk of basis
			ET	Control
Breyer [29]	2010	English	30	30	6MWD	Low risk
Domaszewska [28]	2022	English	20	12	mMRC	Uncertain
Duan [19]	2016	Chinese	46	40	6MWD; CAT	High risk
Hernández [22]	2000	English	20	17	6MWD; mMRC	Uncertain
Jin [32]	2016	Chinese	48	38	6MWD; mMRC; CAT	High risk
Karagiannis [25]	2021	English	18	18	mMRC; CAT	Uncertain
Li [31]	2015	Chinese	50	50	6MWD; CAT	High risk
McKeough [23]	2012	English	16	14	mMRC	Uncertain
Moezy [27]	2018	English	14	16	6MWD	Low risk
Wang [30]	2015	Chinese	23	23	6MWD	Uncertain
Wootton [20]	2017	English	77	44	6MWD	Uncertain
Wootton [24]	2014	English	62	39	6MWD	Uncertain
Zambom-Ferraresi [26]	2015	English	14	8	6MWD	Low risk
Zhang [33]	2012	Chinese	19	10	6MWD	Uncertain

6MWD: 6-minute walking distance; mMRC: modified Medical Research Council questionnaire; CAT: COPD Assessment Test; ET: endurance training.