Table 2: Statistical data of VAS and ODI scales (PRE: Preoperative, POST: Postoperative, first month, Min: Minimum, Max: Maximum).
|
Parameters |
Min |
Max |
Std. Deviation |
Variance |
Mean |
Z |
Asymp. Sig. (2- tailed) |
|
PRE-VAS |
8.0 |
10.0 |
0.7255 |
0.526 |
9.0 ± 0.162 |
-3.990b |
0.000 |
|
POST-VAS |
1.0 |
3.0 |
0.768 |
0.589 |
1.8 ± 0.172 |
||
|
PRE-ODI |
80.0 |
94.0 |
4.416 |
19.503 |
87.65 ± 0.987 |
-3.931b |
0.000 |
|
POST-ODI |
0 |
8.0 |
2.781 |
7.734 |
3.45 ± 0.622 |
a- Wilcoxon signed ranks test, b- Based on positive ranks.