| 分组 | 联合组 | 单纯内镜组 | F值 | P值 | ||
| L4~L5 | L5~S1 | L4~L5 | L5~S1 | |||
| 术前IFH | 16.49 ± 2.98 | 16.54 ± 2.37 | 15.98 ± 5.72 | 16.37 ± 4.22 | 0.216 | 0.351 |
| 术后IFH | 19.84 ± 2.98 | 19.14 ± 2.95 | 17.53 ± 5.82 | 17.84 ± 6.98 | 10.473 | 0.009 |
| 末次随访IFH | 19.99 ± 3.02 | 19.92 ± 2.84 | 16.02 ± 3.47 | 16.36 ± 4.02 | 17.264 | 0.000 |
| F值 | 18.342 | 19.118 | 20.125 | 19.328 |
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| P值 | 0.000 | 0.000 | 0.000 | 0.000 |
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