PDS | Fusion | P | |
---|---|---|---|
L1–2 ROM | |||
Preoperative | 5.41 ± 2.31 | 5.98 ± 1.86 | 0.32 |
Postoperative 2 years | 6.91 ± 3.14 | 6.82 ± 3.74 | 0.93 |
L2–3 ROM | |||
Preoperative | 7.03 ± 2.72 | 7.28 ± 1.75 | 0.70 |
Postoperative 2 years | 7.53 ± 2.87 | 7.34 ± 2.50 | 0.80 |
L3–4 ROM | |||
Preoperative | 7.51 ± 3.25 | 8.04 ± 2.90* | 0.53 |
Postoperative 2 years | 9.10 ± 3.03 | 11.06 ± 5.20# | <0.05 |
L1–2 disc height | |||
Preoperative | 7.47 ± 1.54 | 7.52 ± 1.21 | 0.24 |
Postoperative 2 years | 7.83 ± 1.56 | 7.75 ± 1.62 | 0.74 |
L2–3 disc height | |||
Preoperative | 8.95 ± 1.29 | 8.79 ± 1.21 | 0.73 |
Postoperative 2 years | 9.16 ± 1.24 | 8.94 ± 1.07 | 0.36 |
L3–4 disc height | |||
Preoperative | 9.88 ± 2.09 | 9.92 ± 2.26* | 0.46 |
Postoperative 2 years | 9.34 ± 1.53 | 8.12 ± 1.38# | <0.05 |