Table 4.
Change in disc height
| Operative level | Preop DH (mm) | Baseline DH (mm) | ΔDH, preop to baseline | ΔDH, baseline to 12-month follow-up |
|---|---|---|---|---|
| L4-(4) (n = 4) | 8.5 ± 2.7 | 13.9 ± 1.6 | 5.4 mm | 0.1 mm |
| L5-S1 (n = 12) | 8.7 ± 1.5 | 15.7 ± 1.4 | 7.0 mm | −0.6 mm |
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