≤ 65 (group A) | > 65 (group B) | p value | ||
---|---|---|---|---|
Disc height: mm (range) | Pre-OP | 8.6 ± 2.9 (0.0–16.6) | 8.9 ± 3.0 (2.9–14.7) | 0.5327 |
Post-OP | 13.4 ± 1.8 (10.6–17.0) | 13.9 ± 2.4 (9.0–18.9) | 0.2196 | |
Final follow-up | 12.3 ± 1.7 (8.5–16.4) | 12.9 ± 2.1 (5.6–16.2) | 0.6108 | |
Segmental lordotic angle: degree (range) | Pre-OP | 10.1 ± 7.8 (− 16.4–25.1) | 9.4 ± 6.3 (−0.3–24.6) | 0.6590 |
Post-OP | 15.2 ± 6.2 (1.5–28.2) | 14.9 ± 6.0 (0.1–27.8) | 0.0703 | |
Final follow-up | 14.9 ± 6.4 (1.5–28.0) | 14.2 ± 6.2 (0.8–32.6) | 0.1645 | |
Lumbar lordotic angle: degree (range) | Pre-OP | 37.0 ± 12.2 (5.6–56.5) | 38.3 ± 11.8 (17.3–59.9) | 0.6633 |
Post-OP | 42.5 ± 9.9 (24.3–64.8) | 43.8 ± 8.5 (24.4–57.2) | 0.3159 | |
Final follow-up | 41.9 ± 9.4 (25.3–63.7) | 42.4 ± 13.1 (0.1–57.9) | 0.3059 |