|  | Follow-up | |||
---|---|---|---|---|---|
Study | Methodological quality | 6 weeks | 3 months | 6 months | 1 year |
Kim[30]* | High | NE (NS) | NE (NS) | NR | NE (NS) |
Dutka et al. [27] * | Medium | -0.51 (-0.87, -0.15) | -0.13 (-0.49, 0.23) | -0.31 (-0.67, 0.05) | NR |
Hart et al. [28]†| Medium | NE (NS) | NR | NE (NS) | NE (NS) |
DiGioia et al. [17]‡ | Medium | NR | NE (NS) | NE (NS) | NE (NS) |
Nakamura et al. [33]†| Medium | NR | NR | NE (NS) | NR |