Changes of VAS for low-back pain and ODI for each group
| Postoperative | ||||
|---|---|---|---|---|
| Preoperative | 1 mo | 1 y | 2 y | |
| VAS | ||||
| Dynamic stabilization | 67 ±8 | 20 ± 22* | 4 ± 4 | 15 ± 20 |
| PLF | 75 ± 18 | 26 ± 15* | 30 ± 25 | 35 ± 18 |
| Discectomy | 74 ± 14 | 31 ± 31* | 39 ± 30 | 35 ± 28 |
| ODI | ||||
| Dynamic stabilization | 56 ± 18 | 21 ± 18* | 11 ± 16* | 24 ± 14 |
| PLF | 49 ± 2 | 32 ± 8* | 22 ± 18 | 28 ± 8 |
| Discectomy | 58 ± 11 | 31 ± 18* | 25 ± 15 | 28 ± 18 |
NOTE. The range on both scales is 0 to 100, and values listed are mean ± SD.
↵* Significantly changed from immediately last time point.