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Comparison of pre- and postoperative segmental kyphosis and lordosis in degrees
| Preoperative average ± SD | Range | Postoperative average ± SD | Range | Wilcoxon test | |
|---|---|---|---|---|---|
| T4–T8 kyphosis | 24.0 ± 11.4 | 5–49 | 17.4 ± 9.6 | 5–44 | p = 0.0001 |
| T9–T12 kyphosis | 3.6 ± 2.9 | 0–12 | 8.6 ± 4.1 | 0–22 | p = 0.0001 |
| T12–L2 lordosis | 6.7 ± 4.2 | 0–17 | 10.4 ± 4.7 | 2–24 | p = 0.027 |
| L3–S1 lordosis | 42.1 ± 11.7 | 12–63 | 38.9 ± 9.9 | 17–60 | p = 0.463 |
