Table 2.
Mean | Range | Significance | |
---|---|---|---|
Age (years) | 12.6 | 9–16 | – |
Risser | 0.4 | 0–2 | – |
Follow-up (years) | 2.4 | 2–6 | – |
Preoperative main thoracic curve | 103° | 85–135 | – |
Preoperative main thoracic curve bending | 85° | 75–120 | – |
Flexibility of main thoracic curve | 20.2% | 10–35 | n.s |
Flexibility of main thoracic curve-risser | 32.3% | 20–40 | n.s |
Follow-up main thoracic curve | 45° | 38–65 | – |
Final main thoracic curve correction (Pre-op)-(follow-up) | 61° | 45–75 | 0.0001 |
Final percent correction main thoracic curve | 62.3% | 55–70 | 0.0000 |
Post-resection main thoracic curve loss (follow-up-postop) | 2.27° | 0–5 | n.s |
Preoperative kyphosis (T5-T12) | 62° | 65–105 | – |
Follow-up kyphosis (T5-T12) | 38.5° | 30–45 | – |
Overall kyphosis correction (Pre-op)-(follow-up) | 65% | 60–72 | 0.0001 |
Preoperative global coronal balance (C7-S1) (cm) | 2.17 | 0.2–4 | . |
Follow-up global coronal balance (C7-S1) (cm) | 0.76 | 0–2.1 | 0.002 |
n.s. not significant