结论老年神经外科ssi发生率较高，应引起医务人员高度重视。

Conclusions The SSI rate after neurosurgery in elderly was significantly higher, which should be emphasized by medical workers.

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目的了解老年神经外科术后手术部位感染(SSI)情况及相关因素，为有效控制SSI提供依据。

Objective to investigate the incidence and risk factors of surgical site infections (SSI) after neurosurgery in elderly, and to provide the scientific reference for prevention.

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