Table A1.

PEDro scores for the 17 included studies.

Study ID	P1	P2	P3	P4	P5	P6	P7	P8	P9	P10	P11	Total
Bernadi et al. 2018 [53]	x	x	x	o	o	o	O	x	x	x	x	6
Ernest et al. 2016 [43]	o	x	x	o	x	x	X	x	x	x	x	9
Kent et al. 2019 [35]	o	o	x	x	x	o	O	x	x	x	x	7
Kokkinoplitis et al. 2014 [51]	x	x	x	x	x	o	O	x	x	x	x	8
Martin et al. 2014 [52]	o	x	x	x	x	o	O	o	x	x	x	7
Muggeridge et al. 2013 [38]	o	x	x	x	o	x	O	x	x	x	x	8
Smith et al. 2019 [34]	o	x	x	o	x	x	O	x	x	x	x	8
Aucouturier et al. 2015 [42]	x	x	x	x	x	o	O	x	x	x	x	8
Christensen et al. 2013 [44]	o	x	x	o	x	o	O	x	x	x	x	7
Jonvik et al. 2018 [33]	o	x	x	x	x	o	O	x	x	x	x	8
Nyakayiru et al. 2017 [54]	o	x	x	o	x	o	O	o	x	x	x	6
Pawlak-Chaouch et al. 2019 [36]	o	x	x	o	x	o	O	x	x	x	x	7
Thompson et al. 2016 [7]	o	x	x	x	x	o	O	x	x	x	x	8
Thompson et al. 2017 [32]	o	o	x	x	x	o	O	x	x	x	x	7
Thompson et al. 2018 [50]	o	o	x	x	x	o	O	x	x	x	x	7
Wylie et al. 2013 [22]	o	x	x	x	x	o	O	x	x	x	x	8
Wylie et al. 2016 [8]	o	x	x	o	x	o	O	x	x	x	x	7
Score for each point	18%	88%	100%	59%	88%	18%	6%	88%	100%	100%	100%	7.4

x: Criterion met; o: Criterion not met; P1: Eligibility criteria were specified; P2: Randomised allocation of subjects; P3: Allocation was concealed; P4: Groups were similar at baseline regarding most important indicators; P5: Blinding of subjects; P6: Blinding of therapists; P7: Blinding of assessors; P8: Measures of key outcome > 85% participants; P9: Subjects received the allocated treatment; P10: Between-group stats comparisons reported for at least one key outcome; P11: Study provides both point measures and measures of variability. Please note that criterion P1 does not contribute to the overall study score.