| Author |
Before treatment |
After treatment |
Mean change |
% Mean change |
| Greenfield and Ferra [8] |
NR |
NR |
－15-－140－33- |
－66 |
| Connor et al. [32] |
NR |
NR |
NR |
－47 |
| Kasabian et al. [6] |
47.3 ± 22.5 |
36.6 ± 21.4 |
－10.7 ± 6.25 |
－22.6 |
| Kaplinsky et al. [44] |
60.1 ± 31.8 |
35.6 ± 20.0 |
－24.4 ± 6.31 |
－31 |
| Painter et al. [45] |
63.0 ± 24.0 |
56.0 ± 31.0 |
－7.0 ± 2.84 |
－11.1 |
| Buyse et al. [46] |
57.0 ± 25.6 |
30.8 ± 15.8 |
－26.2 ± 6.75 |
－46.0 |
| Ferrara et al. [34] |
53.0 ± 30.0 |
34.0 ± 11.0 |
－19.0 ± 2.4 |
－35.8 |
| Guerra et al. [47] |
47.7 ± 25.6 |
34.4 ± 22.9 |
－13.3 ± 3.5 |
－29.1 |
| Hayashi et al. [30] |
NR |
NR |
NR |
NR |
|