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Radiographic disc and facet joint degeneration
| L4/5 (%) | L5S1 (%) | |
|---|---|---|
| X-ray | ||
| DH: decrease ≥ 20% | 1 (2%) | 1 (2%) |
| DH: 20% ≥ decrease ≥ 10% | 7 (13%) | 8 (15%) |
| CT | ||
| Facet degeneration increase one grade | 7 (13%) | 7 (13%) |
| Facet degeneration increase more than one grade | 0 | 2 (4%) |
| MRI | ||
| Disc degeneration increase one grade | 5 (9%) | 5 (9%) |
| Disc degeneration increase more than one grade | 0 | 0 |
DH, disc height
