Table 2.

Assessment of methodological quality according to PEDro scale.

CRITERIA PEDro
Author/Year	Eligibility Criteria Were Specified	Subjects Were Randomly Allocated to Groups	Allocation Was Concealed	The Groups Were Similar at Baseline	There Was Blinding of All Subjects	There Was Blinding of All Therapists Who Administered the Therapy	There was BLINDING of All Assessors	Measures Were Obtained from More Than 85% of the Subjects	Results Obtained for All Subjects	The Results of between-Group Statistical Comparisons Are Reported	The Study Provides Both Point Measures and Measures of Variability	Score
Sailer I. et al. 2017	yes	yes	yes	yes	yes	no	no	yes	yes	yes	yes	8
Sailer I. et al. 2009	yes	yes	yes	yes	yes	no	no	yes	yes	yes	yes	8
Molin M. et al. 2008	yes	no	no	no	yes	no	no	yes	no	no	no	3
Zenthöfer A. et al. 2015	yes	yes	yes	yes	yes	no	yes	yes	yes	yes	yes	9
Reitemeier B. et al. 2002	yes	yes	no	no	yes	no	no	yes	yes	yes	yes	6
Sax C. et al. 2011	yes	no	no	no	yes	no	no	no	no	no	yes	3
Ioannidis A. et al. 2016	yes	no	no	no	yes	no	no	no	no	no	yes	3
Suarez MJ. et al. 2018	yes	yes	yes	yes	yes	no	yes	yes	yes	yes	yes	9
Peláez J. et al. Oct 2012	yes	yes	yes	yes	yes	no	yes	yes	yes	yes	yes	9
Peláez J. et al. Jun 2012	yes	no	no	no	yes	no	yes	no	no	no	yes	4
Nicolaisen MH. et al. 2016	yes	yes	yes	yes	yes	no	yes	yes	yes	yes	yes	9
Setz J. et al. 1994	yes	yes	yes	yes	yes	yes	yes	yes	yes	yes	yes	10
Tanner J. et al. 2018	yes	no	no	no	no	no	no	no	no	no	yes	2
Hἀff A. et al. 2014	yes	no	no	no	no	no	no	no	no	no	yes	2
Ohlmann B. et al. 2014	yes	yes	yes	yes	yes	no	no	yes	yes	yes	yes	8
Naenni N. et al. 2015	yes	yes	yes	yes	yes	yes	no	yes	yes	yes	yes	9
Weishaupt P. et al. 2007	yes	yes	yes	yes	yes	no	yes	yes	yes	yes	yes	9
Valderhaug J. et al. 1993	yes	no	no	no	yes	no	no	yes	yes	yes	yes	6
Valderhaug J. et al. 1976	yes	no	no	no	yes	no	no	yes	yes	yes	yes	6
Müller HP. et al. 1986	yes	no	no	no	yes	no	no	yes	yes	yes	yes	6