Table 3. Methodological quality scores.
| Question number on PEDro scale | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Author, year | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | Score |
| Krause et al., 200835 | Y | Y | N | Y | N | N | Y | Y | Y | N | Y | 7 |
| Kuhn et al., 201430 | Y | N | N | N | N | N | N | Y | N | N | N | 2 |
| Mazzoleni et al., 201732 | Y | N | N | N | N | N | N | Y | Y | N | N | 3 |
| Mazzoleni et al., 201331 | N | N | N | N | N | N | N | Y | Y | N | N | 2 |
| Ralston et al., 201336 | Y | Y | Y | Y | N | N | Y | Y | Y | Y | Y | 9 |
| Reichenfelser et al., 201334 | N | N | N | N | N | N | N | N | N | N | Y | 1 |
| Reichenfelser et al., 201233 | N | N | N | N | N | N | N | Y | Y | N | Y | 3 |
| Sadowsky et al., 201319 | Y | N | N | N | N | N | N | Y | Y | N | Y | 4 |
| Szecsi and Schiller, 200914 | N | N | N | N | N | N | N | Y | Y | Y | N | 4 |
| Yaşar et al., 201523 | N | N | N | N | N | N | N | Y | N | N | Y | 2 |
| Median Score = 3 | ||||||||||||
Notes: Scores: 1, Eligibility criteria were specified; 2, Subjects were randomly allocated to groups or to a treatment order; 3, Allocation was concealed; 4, The groups were similar at baseline;5, There was blinding of all subjects; 6 There was blinding of all therapists; 7, There was blinding of all assessors; 8, Measures of at least one key outcome were obtained from more than 85% of the subjects initially allocated to groups 9, Intention to treat analysis was performed or all subjects received the treatment or control condition as allocated; 10, The results of between-group statistical comparisons are reported for at least one key outcome; 11, The study provides both point measures and measures of variability for at least one key outcome. Yes, low risk of bias; No, high risk of bias.