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Case examples
| Case | Preoperative standing PA Cobb angle (degrees) | FBR Cobb angle (degrees) | Fulcrum flexibility (%) | Postoperative standing PA Cobb angle (degrees) | AngleTC (degrees) | AngleF (degrees) | AngleXF (degrees) | Curve correction rate | FBCI (%) | XFI |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 100 | 80 | 20 | 60 | 40 | 20 | 20 | 40 | 200 | 100 |
| 2 | 50 | 30 | 40 | 10 | 40 | 20 | 20 | 80 | 200 | 50 |
PA posteroanterior, FBR fulcrum bending radiograph, AngleXF angle contributed by the surgical team, FBCI fulcrum bending correction index, XFI X-Factor Index
