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The change of adjacent segment DH
| L2/3 | L3/4 | L4/5 | L5/S1 | |||||
|---|---|---|---|---|---|---|---|---|
| Pre | FFU | Pre | FFU | Pre | FFU | Pre | FFU | |
| Upper DH (mm) | 8.8 ± 0.4 | 8.6 ± 0.3 | 8.6 ± 0.4 | 8.4 ± 0.3 | 10.3 ± 0.6 | 10.0 ± 0.5 | 11.1 ± 0.5 | 10.8 ± 0.4 |
| Lower DH (mm) | 10.1 ± 0.4 | 9.8 ± 0.4 | 10.7 ± 0.6 | 10.6 ± 0.6 | 9.7 ± 0.6 | 9.5 ± 0.5 | / | / |
Pre preoperative, FFU final follow-up
