Table 3.
The comparison of VAS and ODI in each of the group at pre- and posttest
| Group | Pretest | Posttest | Difference value | z | P-value |
|---|---|---|---|---|---|
| SEG-VAS | 4.13±0.74 | 1.33±1.05 | −2.8±1.15 | −3.432 | 0.001* |
| BEG-VAS | 3.93±0.59 | 2.33±1.54 | −1.6±1.4 | −2.831 | 0.001* |
| U | 94.5 | 60.5 | |||
| P-value | 0.027 | 0.029 | |||
| SEG-ODI | 26.96±9.85 | 12.45±3.12 | −14.5±10.31 | −3.414 | 0.005* |
| BEG-ODI | 26.51±6.94 | 15.12±6.00 | −11.4±4.66 | −3.417 | 0.001* |
| U | 104.5 | 96.5 | |||
| P-value | 0.504 | 0.512 |
Values are presented as mean±standard deviation (score) unless otherwise indeicated.
VAS, visual analogue scale; ODI, Oswestry disability index; SEG, stability exercise group; BEG, balance exercise group.
*
Significant difference within group (P<0.05).