Tai Chi Chuan for Subjective Sleep Quality: A Systematic Review and Meta-Analysis of Randomized Controlled Trials

Table 2

Assessment of methodological quality for included trials based on the PEDro scale.

Author, year	Eligibility criteria	Random allocation	Concealed allocation	Similar at baseline	Subjects blinded	Therapists blinded	Assessors blinded	<15% dropouts	Intention-to-treat analysis	Between-group comparisons	Point measures and variability data	Total
Li et al. (2004)	1	1	1	1	0	0	1	0	1	1	1	8
Frye et al. (2007)	1	1	0	1	0	0	0	1	0	1	1	6
Han et al. (2008)	1	1	0	1	0	0	0	1	0	1	1	6
Irwin et al. (2008)	1	1	1	1	0	0	1	1	1	1	1	9
Liu et al. (2010)	1	1	0	1	0	0	0	1	0	1	1	6
Wang C et al. (2010)	1	1	1	1	0	0	0	1	1	1	1	8
Wang W et al. (2010)	1	1	0	1	0	0	1	1	0	1	1	7
Hosseini et al. (2011)	1	1	0	1	0	0	0	1	0	1	1	6
Jones et al. (2012)	1	1	0	1	0	0	1	1	0	1	1	7
Nguyen et al. (2012)	1	1	0	1	0	0	0	0	0	1	1	5
Irwin et al. (2014)	1	1	1	1	0	1	1	1	1	1	1	10
Taylor-Piliae et al. (2014)	1	1	1	1	0	0	1	1	1	1	1	9
Larkey et al. (2015)	1	1	1	1	1	0	1	1	0	1	1	9
Liu et al. (2015)	1	1	0	1	0	0	0	1	0	1	1	6
Yuan et al. (2016)	1	1	0	1	0	0	0	1	0	1	1	6
Liu et al. (2016)	1	1	0	1	0	0	0	1	0	1	1	6
Bongi et al. (2016)	1	1	0	1	0	0	0	1	0	1	1	6
Fan et al. (2016)	1	1	0	1	0	0	0	1	0	1	1	6
Chen et al. (2017)	1	1	0	1	0	0	0	1	0	1	1	6
Irwin et al. (2017)	1	1	1	1	0	0	1	0	1	1	1	8
Lv et al. (2017)	1	1	0	1	0	0	1	1	0	1	1	7
McQuade et al. (2017)	1	1	0	1	0	0	0	1	0	1	1	6
Rao et al. (2018)	1	1	0	1	0	0	0	1	0	1	1	6
Wang et al. (2018)	1	1	1	1	0	0	1	0	1	1	1	8
Zhu et al. (2018)	1	1	0	1	0	0	1	0	0	1	1	6

0 = does not meet the criteria; 1 = meets the criteria.