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Kinematics of the level adjacent to the fused segment during time: the results are presented in comparison with reference values, as percentages of patients in each class
| Parameter (compared to reference) | Range of motion | Mean centre of rotation | ||||
|---|---|---|---|---|---|---|
| Normal | Higher | Lower | Normal | Abnormal | Not calculated (ROM < 3°) | |
| Short term | 32 | 0 | 68 | 65 | 8 | 27 |
| Mid-term | 62 | 2 | 36 | 75 | 8 | 17 |
| Long term | 36 | 5 | 59 | 49 | 8 | 43 |
