Table 3.
PEDro Scale for Assessment of Study Quality
| Author, Year | Fiatarone et al, 199421 | Godard et al, 200222 | Bunout et al, 200423 | Rosendahl et al, 200624∗ | Verdijk et al, 200925 | Zak et al, 200926 | Kim et al, 201228 | Tieland et al, 201229 | Arnarson et al, 201330 | Chale et al, 201331 | Leenders et al, 201332 | Daly et al, 201433 | Franzke et al, 201534 | Mitchell et al, 201535 | Trabal et al, 201536 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1. Eligibility criteria were specified | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y |
| 2. Participants were randomly allocated to groups | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y |
| 3. Allocation was concealed | N | N | N | Y | N | N | Y | Y | Y | Y | Y | Y | N | N | N |
| 4. The groups were similar at baseline regarding the most important prognostic indicators | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | N | Y | Y | Y | Y |
| 5. There was blinding of all participants | N | N | N | N | Y | N | N | Y | Y | Y | Y | N | N | Y | Y |
| 6. There was blinding of all therapists who administered the therapy | N | N | N | N | N | Y | N | Y | Y | Y | Y | N | Y | N | Y |
| 7. There was blinding of all assessors who measured at least 1 key outcome | Y | N | N | Y | Y | Y | Y | N | Y | Y | Y | N | Y | N | N |
| 8. Measures of at least 1 key outcome were obtained from more than 85% of the participants initially allocated to groups | Y | N | N | Y | Y | Y | Y | Y | Y | Y | Y | Y | N | Y | N |
| 9. All participants for whom outcomes were available received the treatment or control condition as allocated or, where this was not the case, data for at least one key outcome was analyzed by “intention to treat” | Y | N | N | Y | Y | N | N | Y | Y | Y | N | Y | N | N | N |
| Internal Validity | 5 | 2 | 2 | 6 | 6 | 5 | 5 | 7 | 8 | 8 | 6 | 5 | 4 | 4 | 4 |
| 10. The results of between-group statistical comparisons are reported for at least 1 key outcome | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y |
| 11. The study provides both point measures of variability for at least 1 key outcome | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y |
| Statistical Reporting | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| Score/10 (Criterion 1 is not used to calculate PEDro score) | 7 | 4 | 4 | 8 | 8 | 7 | 7 | 9 | 10 | 10 | 8 | 7 | 6 | 6 | 6 |