Table 2.

PEDro scale

PEDro scale	References
	Viana et al.(17)	Soudararajan et al.(18)	de Oliveira et al.(20)	Novais de Oliveira et al.(19)	Gregson et al.(5)	Koop et al.(21)
1. The eligibility criteria were specified	✓	✓	X	X	✓	✓
2. The subjects were randomly allocated to groups	✓	X	X	X	X	X
3. The allocation of subjects was concealed	✓	X	✓	X	X	X
4. The groups were similar at baseline for the most important prognostic indicators	X	X	X	✓	X	X
5. There was blinding of all subjects	✓	X	X	X	X	X
6. There was blinding of all therapists who administered the therapy	X	X	✓	X	X	X
7. There was blinding of all assessors who measured at least one key outcome	✓	X	X	X	X	X
8. Measurements of at least one key result were obtained in more than 85% of the subjects initially allocated to the groups	✓	✓	✓	✓	✓	✓
9. All subjects for whom results were measured received the treatment or control condition according to the distribution or, when this was not the case, the data were analyzed for at least one of the results-key for an intention-to-treat analysis	✓	✓	✓	✓	✓	✓
10. The results of between-group statistical comparisons were reported for at least one key outcome	✓	X	✓	✓	✓	✓
11. The study provided both point measures and variable measures for at least one key outcome	✓	✓	✓	✓	✓	X
Total score	9/11	4/11	6/11	5/11	5/11	4/11

✓ - scored; X - not scored.