Effects of Tai Chi Exercise on Reducing Falls and Improving Balance Performance in Parkinson’s Disease: A Meta-Analysis

Table 2

Quality of the included studies assessed by the PEDro scale. The highest score was 8 out of 10. The average score in this meta-analysis was 6.4, which is considered moderate- to high-quality evidence.

Study	Random allocation	Concealed allocation	Groups similar at baseline	Participant blinding	Therapist blinding	Assessor blinding	<15% dropouts	Intention-to-treat analysis	Between-group difference reported	Point estimate and variability reported	Total
Choi et al. 2013 [20]	Y	N	Y	N	N	Y	N	N	Y	Y	5
Gao et al. 2014 [12]	Y	Y	Y	N	N	Y	Y	N	Y	Y	7
Hackey and Earhart 2008 [10]	Y	N	Y	N	N	Y	N	N	Y	Y	5
Li et al. 2012 [18]	Y	Y	Y	N	N	Y	Y	Y	Y	Y	8
Zhu et al. 2011 [19]	Y	Y	Y	N	N	Y	Y	N	Y	Y	7