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Mean scores for ODI, VAS back pain and VAS for leg pain
| Preoperative | 6 months | 12 months | 24 months | Change (P-value) | |
|---|---|---|---|---|---|
| Mean ODI | |||||
| FRA | 57 | 44 | 39 | 42 | 15 (0.000) |
| TC | 54 | 46 | 49 | 48 | 6 (0.011) |
| Mean VAS back pain | |||||
| FRA | 7.2 | 5.0 | 4.8 | 5.2 | 1.9 (0.000) |
| TC | 7.1 | 5.8 | 6.4 | 6.0 | 1.1 (0.004) |
| Mean VAS leg pain | |||||
| FRA | 3.8 | 2.3 | 2.8 | 2.5 | 1.3 (0.008) |
| TC | 4.3 | 3.0 | 4.6 | 4.7 | 0.4 (0.498) |
FRA femoral ring allograft, TC titanium cage
