Table 5.
Intra-group comparison of VAS of two groups
| Group | Time | VAS | Time | VAS | P |
|---|---|---|---|---|---|
| BLIF group | Preoperation | 7.40 ± 0.50 | Postoperative 1st week | 3.23 ± 0.82 | 0.000 |
| Preoperation | 7.40 ± 0.50 | Postoperative 1st month | 2.90 ± 0.40 | 0.000 | |
| Preoperation | 7.40 ± 0.50 | Postoperative 1st year | 2.73 ± 0.45 | 0.000 | |
| Postoperative 1st week | 3.23 ± 0.82 | Postoperative 1st month | 2.90 ± 0.40 | 0.156 | |
| Postoperative 1st week | 3.23 ± 0.82 | Postoperative 1st year | 2.73 ± 0.45 | 0.004 | |
| Postoperative 1st month | 2.90 ± 0.40 | Postoperative 1st year | 2.73 ± 0.45 | 0.184 | |
| ULIF group | Preoperation | 7.43 ± 0.50 | Postoperative 1st week | 3.20 ± 0.48 | 0.000 |
| Preoperation | 7.43 ± 0.50 | Postoperative 1st month | 2.97 ± 0.41 | 0.000 | |
| Preoperation | 7.43 ± 0.50 | Postoperative 1st year | 2.80 ± 0.41 | 0.000 | |
| Postoperative 1st week | 3.20 ± 0.48 | Postoperative 1st month | 2.97 ± 0.41 | 0.005 | |
| Postoperative 1st week | 3.20 ± 0.48 | Postoperative 1st year | 2.80 ± 0.41 | 0.000 | |
| Postoperative 1st month | 2.97 ± 0.41 | Postoperative 1st year | 2.80 ± 0.41 | 0.026 |