| 分组 | 联合组 | 单纯内镜组 | F值 | P值 | ||
| L4~L5 | L5~S1 | L4~L5 | L5~S1 | |||
| 术前VH | 10.37 ± 2.12 | 10.22 ± 1.45 | 10.19 ± 1.37 | 10.32 ± 1.98 | 0.792 | 0.263 |
| 术后VH | 11.07 ± 1.23 | 11.29 ± 1.09 | 10.99 ± 1.57 | 11.02 ± 1.55 | 1.012 | 0.141 |
| 末次随访VH | 12.02 ± 3.27 | 12.47 ± 2.92 | 12.11 ± 2.07 | 12.52 ± 1.92 | 0.982 | 0.216 |
| F值 | 18.446 | 17.429 | 19.006 | 17.145 |
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| P值 | 0.000 | 0.000 | 0.000 | 0.000 |
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