Verbal rating scale (VRS) was used to evaluate pain degree.

疼痛程度分级采用语言评价量表(vrs)法。

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The primary outcome was Short Form (SF)-36, and the secondary outcomes were the verbal rating scale of low back pain and leg numbness, walking distance, subjective improvement, and satisfaction.

最初的结果根据短期量表-36采集，随后的结果则根据腰痛、麻木、步行距离、主观改善和满意度的口述评定量表采集。

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