Table 3.

Quality assessment.

	Brogardh et al. (2012)	Chan et al. (2012)	Choi et al. (2014)	Lau et al. (2012)	Liao et al. (2016)	Marin et al. (2013)	Pang et al. (2013)	Tankisheva et al. (2014)	Tihanyi et al. (2007)	van Nes et al. (2006)	Yule et al. (2016)
Eligibility criteria	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Not Yet
Random allocation	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Not Yet
Concealed allocation	Yes	Yes	No	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Not Yet
Baseline comparability	No	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Not Yet
Blinded subjects	Yes	Yes	No	No	No	No	No	No	No	No	Not Yet
Blinded therapists	Yes	No	No	No	No	No	No	No	No	No	Not Yet
Blinded assessors	Yes	Yes	No	Yes	Yes	Yes	Yes	Yes	No	Yes	Not Yet
Adequate follow-up	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Not Yet
Intention-to-treat analysis	Yes	No	Yes	Yes	Yes	Yes	Yes	No	No	Yes	Not Yet
Between-group comparisons	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Not Yet
Point estimators and variability	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Not Yet
Total PEDro score	9	8	6	8	8	8	8	7	6	8	Not Yet
Sample size ≥ 50	No	No	No	Yes	No	No	Yes	No	Yes	Yes	No
Level of evidence	2	2	2	1	2	2	1	2	1	1	2