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Preoperative and postoperative comparison of Cobb’s angle between groups A and B
| Group | Preoperative | 3 days postoperatively | 3 months postoperatively |
|---|---|---|---|
| A | 19.7±2.14 | 3.6±1.10* | 4.2±1.33* |
| B | 19.4±1.94 | 3.1±1.25* | 3.7±1.25* |
| t value | 0.66 | 2.25 | 2.15 |
| P value | 0.44 | 0.03 | 0.03 |
P < 0.05 as shown by intragroup preoperative and postoperative comparison.
