Table 1.
Study quality on the PEDro scale.
| Study | 1* | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Ibrahim et al, 2014[18] | ✓ | ✓ | ✓ | ✓ | ✓ | 4 | ||||||
| 2 | El-Shamy et al, 2014[19] | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | 8 | ||
| 3 | Lee & Chon, 2013[20] | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | 7 | |||
| 4 | El-Shamy et al, 2012[21] | ✓ | ✓ | ✓ | ✓ | ✓ | 4 | ||||||
| 5 | Ruck et al, 2010[22] | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | 5 | |||||
| 6 | Wren et al, 2010[23] | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | 7 |
1: eligibility criteria and source of participants; 2: random allocation; 3: concealed allocation; 4: baseline comparability; 5: blinded participants; 6: blinded therapists;7: blind assessors; 8: adequate follow-up; 9: intention-to-treat analysis; 10: between-group comparisons; 11: point estimates and variability.
*
Item 1 does not contribute to the total score.