Table 1. PEDro quality assessment results.
| Study (first author, year) | N G, 201017) |
Song R, 201018) |
Wang C, 200919) |
Lee HJ, 200920) |
Brismee JM, 200721) |
Song R, 200322) |
|
|---|---|---|---|---|---|---|---|
| 1 | Randomized allocation | 1 | 1 | 1 | 1 | 1 | 1 |
| 2 | Concealed allocation | 1 | 0 | 1 | 1 | 0 | 0 |
| 3 | Similar prognosis | 1 | 1 | 1 | 1 | 1 | 1 |
| 4 | Blinded subjects | 0 | 0 | 0 | 0 | 0 | 0 |
| 5 | Blinded therapists | 0 | 0 | 0 | 0 | 0 | 0 |
| 6 | Blinded assessors | 1 | 1 | 1 | 1 | 1 | 1 |
| 7 | Key outcomes | 0 | 0 | 1 | 1 | 0 | 0 |
| 8 | Intention to treatment | 1 | 1 | 1 | 1 | 1 | 1 |
| 9 | Comparison between groups | 1 | 1 | 1 | 1 | 1 | 1 |
| 10 | Precision and variability | 1 | 1 | 1 | 1 | 1 | 1 |
| Total | 7/10 | 6/10 | 8/10 | 8/10 | 6/10 | 6/10 |