Table 2. PEDro database classification.

Authors	1	2	3	4	5	6	7	8	9	10	11	Total
Espay et al., 201018	Yes	Yes	No	Yes	No	No	No	Yes	Yes	Yes	Yes	7
Mirelman et al., 201119	Yes	No	No	No	No	No	No	Yes	Yes	No	Yes	4
Esculier et al., 201220	Yes	No	No	No	No	No	No	Yes	Yes	No	Yes	4
Mhatre et al., 201321	Yes	Yes	No	Yes	No	No	No	Yes	Yes	Yes	Yes	7
Esculier et al., 201422	Yes	No	No	Yes	No	No	No	Yes	Yes	No	Yes	5
Pompeu et al., 201423	Yes	No	No	Yes	Yes	Yes	Yes	Yes	Yes	No	Yes	8
Killane, et al., 201524	Yes	No	No	Yes	No	No	No	Yes	Yes	Yes	Yes	6
Liao et al., 2015a25	Yes	Yes	Yes	Yes	No	Yes	Yes	Yes	Yes	Yes	Yes	10
Liao et al., 2015b26	Yes	Yes	Yes	Yes	No	Yes	Yes	Yes	Yes	Yes	Yes	10
Palacios-Navarro et al., 201527	Yes	No	No	Yes	No	No	No	Yes	Yes	No	Yes	5
Ginis et al., 201628	Yes	Yes	No	Yes	Yes	No	No	Yes	Yes	Yes	Yes	8
Strouwen et al., 201729	Yes	No	Yes	Yes	Yes	Yes	Yes	No	Yes	Yes	Yes	9
Yang et al., 201630	Yes	Yes	Yes	Yes	No	No	No	Yes	Yes	Yes	Yes	8
Gandolfi et al, 201731	Yes	Yes	No	Yes	No	Yes	Yes	Yes	Yes	Yes	Yes	9
Ferraz et al., 201832	Yes	Yes	Yes	Yes	Yes	No	No	Yes	Yes	Yes	Yes	9
Dantas et al., 201833	Yes	No	No	No	No	No	No	Yes	Yes	Yes	Yes	5
Melo et al., 201834	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	11
Alves et al., 201835	Yes	Yes	Yes	Yes	No	No	No	Yes	Yes	Yes	Yes	8
Song et al., 201836	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	11

1. Eligibility criteria; 2. Random distribution of subjects in each group; 3. Secret allocation of subjects; 4. Similar groups regarding the most important prognosis; 5. Blind participation of subjects; 6. Blind participation of therapists; 7. Blind examiners; 8. At least one key result obtained in more than 85% of subjects; 9. Subjects received treatment or control condition; 10. Intergroup statistical comparisons have been performed for at least one key outcome; 11. Presence of precision and variability measures.