Objective To evaluate the effects of different body mass indexes on lumbar posterior multi-level open window decompression surgery for elderly patients with lumbar stenosis.
目的对不同体重老年腰椎管狭窄患者行单纯腰椎后路开窗减压手术，并评价其治疗效果。
Objective To evaluate the effects of different body mass indexes on lumbar posterior multi-level open window decompression surgery for elderly patients with lumbar stenosis.
目的对不同体重老年腰椎管狭窄患者行单纯腰椎后路开窗减压手术，并评价其治疗效果。
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