Table 2.
Methodological quality of included trials using the PEDro Scale
| PEDro score | Aidar 2007 | Chan 2010 | Chu 2004 | Noh 2008 |
| Random allocation | Yes | Yes | Yes | Yes |
| Concealed allocation | Unclear | Yes | Unclear | Unclear |
| Baseline comparability | Yes | Unclear | Yes | Yes |
| Blind participants | No | No | No | No |
| Blind therapists | No | No | No | No |
| Blind assessors | No | Yes | Yes | Yes |
| Adequate follow up* (drop‐out rate) | Yes (0%) | Unclear | Yes (8%) | No (20%) |
| Intention‐to‐treat analysis | Unclear | Unclear | No | No |
| Between‐group comparisons | Yes | Yes | Yes | Yes |
| Point estimates and variability | Yes | Yes | Yes | Yes |
| Total PEDro score | 5 (10) | 5 (10) | 6 (10) | 5 (10) |