VAS back pain (mean ± SD) | TED group | MD group | p-value* | Significance |
---|---|---|---|---|
Preoperative | 5.65 ± 0.77 | 5.42 ± 0.88 | 0.264 | NS |
2 weeks postoperative | 3.37 ± 0.63 | 4.07 ± 0.52 | < 0.001 | S |
3 months postoperative | 2.25 ± 0.68 | 3.45 ± 0.88 | < 0.001 | S |
6 months postoperative | 2.24 ± 0.57 | 2.56 ± 0.71 | 0.051 | NS |
12 months postoperative | 1.87 ± 0.64 | 2.09 ± 0.73 | 0.202 | NS |