Table 1.

Methodological qualities of included studies: PEDro

Trial	Specified eligibility criteria	Random allocation	Concealed allocation	Similarity at baseline on key measures	Subject blinding	Therapist blinding	Assessor blinding	>85% follow-up of at least one key outcome	Intention-to treat analysis	Between-group statistical comparison for at least one key outcome	Point estimates and measures of variability provided for at least one key outcome	Total
Asthma
Ahmaidi et al (1993)28	✓	✓	x	X	NA	NA	X	X	X	✓	✓	4
Andrade et al (2014)29	✓	✓	✓	✓	NA	NA	X	X	✓	✓	✓	7
Basaran et al (2006)30	X	✓	X	✓	NA	NA	X	✓	X	✓	✓	5
Chang et al (2008)32	X	✓	X	✓	NA	NA	X	X	X	✓	✓	4
Counil et al (2003)33	✓	✓	X	✓	NA	NA	✓	✓	X	✓	✓	7
Edenbrandt et al (1990)35	X	✓	X	✓	NA	NA	X	✓	✓	✓	✓	6
Fanelli et al (2007)36	✓	✓	✓	✓	NA	NA	✓	✓	✓	✓	✓	9
Latorre-Román et al (2014)40	✓	✓	X	✓	NA	NA	X	✓	X	✓	✓	6
Matsumoto et al (1999)41	X	✓	X	✓	NA	NA	X	✓	✓	✓	✓	6
Moreira et al (2008)42	✓	✓	✓	✓	NA	NA	X	✓	✓	✓	✓	8
Onur et al (2011)43	✓	✓	X	✓	NA	NA	X	✓	✓	✓	✓	7
Silva et al (2006)49	✓	✓	X	✓	NA	NA	X	✓	✓	✓	✓	7
Silva et al. (2013)50	X	✓	X	✓	NA	NA	X	✓	X	✓	✓	5
Van Veldhoven et al. (2001)51	✓	✓	X	✓	NA	NA	X	✓	X	✓	✓	6
Wang et al (2009)52	X	✓	X	✓	NA	NA	X	✓	✓	✓	✓	6
Weisgerber et al (2003)53	✓	✓	X	✓	NA	NA	X	X	X	✓	✓	5
Wicher et al (2010)54	✓	✓	X	✓	NA	NA	X	✓	X	X	✓	5
Cystic fibrosis
Cerny et al (1989)31	X	✓	X	X	NA	NA	X	✓	✓	✓	✓	5
De Oliveira et al (2009)34	✓	✓	X	✓	NA	NA	X	X	X	✓	✓	5
Hebestreit et al (2010)37	✓	✓	X	✓	NA	NA	X	✓	X	✓	✓	6
Hommerding et al (2015)38	✓	✓	X	✓	NA	NA	X	✓	✓	✓	✓	7
Klijn et al (2004)39	✓	✓	✓	✓	NA	NA	✓	✓	X	✓	✓	8
Santana Sosa et al (2012)44	✓	✓	X	✓	NA	NA	✓	✓	✓	✓	✓	8
Santana Sosa et al (2014)	✓	✓	X	✓	NA	NA	✓	✓	✓	✓	✓	8
Schindel et al (2015)46	✓	✓	X	✓	NA	NA	✓	✓	✓	✓	✓	8
Schneiderman-Walker et al (2000)47	X	✓	X	✓	NA	NA	X	✓	X	✓	✓	5
Selvadurai et al (2002)48	✓	✓	✓	✓	NA	NA	X	✓	✓	✓	✓	8