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Correlation analyses between pedicle screw density and postoperative radiographic assessment in regards to Risser sign
| Risser sign | Risser grade <3 (n=55) | Risser grade ≥3 (n=67) | ||
|---|---|---|---|---|
|
|
|
|||
| r | p-value | r | p-value | |
| Percent major curve correction | 0.12 | 0.39 | 0.08 | 0.47 |
|
| ||||
| Correction index | 0.20 | 0.14 | 0.13 | 0.28 |
|
| ||||
| Change in T2–T12 kyphosis angle (°) | −0.18 | 0.19 | −0.10 | 0.42 |
|
| ||||
| Percent rib index correction | −0.23 | 0.13 | −0.02 | 0.88 |
