Table 2 Evaluation of methodological qualities of included randomized controlled trials
Items/author | Huber | Jiang | Okkabaz | Parc | Doeksen | Machado | Marti |
|---|---|---|---|---|---|---|---|
Described as randomized | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
Appropriate randomization method described | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
Subject blinded to intervention | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
Evaluator blinded to intervention | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Description of withdrawals and dropouts | 0 | 1 | 1 | 1 | 1 | 1 | 1 |
Score | 2 | 3 | 4 | 3 | 3 | 3 | 3 |