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RCT Quality Assessment
| Adequate sequence generation | Allocation concealment | Blinding at outcome assessment | Incomplete outcome data due to drop-outs during the study or exclusions from the analysis n/N (%) | Baseline comparability | |
|---|---|---|---|---|---|
| Asbee, 2009[24] | Yes | Yes | No | 44/144 (30.6%) | Yes |
| Guelinckx, 2010[22] | No | No | No | 45/130 (34.6%) | Yes |
| Hui, 2006[26] | Method NR | No | No | 7/52 (13.5%) | Yes |
| Polley, 2002[25] | Yes | No | No | 10/120 (8.3%) | Yes |
| Wolff, 2008[23] | Yes | No | No | 16/66 (24.2%) | Yes |
NR: not reported
