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Oswestry Disability Index (ODI) evaluation
| Oswestry disability index | ||||
|---|---|---|---|---|
| Baseline | 6 months | 12 months | 36 months | |
| No. | 41 | 41 | 41 | 41 |
| Mean | 72 | 34.6 | 25.5 | 23.0 |
| SD | 5.79 | 8.79 | 14.91 | 12.65 |
| Change from baseline | ||||
| Mean | - | -37.4 | -46.5 | -49 |
| p value | - | <0.0001 | <0.0001 | <0.0001 |
Time course of oswestry disability index (ODI) scores. ODI values significantly decreased for all follow-up time points, vs. basal values.
