Conclusion Functional recovery is more likely to be achieved in patients who are under 40 years old, and have preoperative reactive pupils, higher GCS score and the absence of ABS during surgery.

结论急性硬膜下血肿患者年龄<40岁、术前GCS评分较高、术前瞳孔光反射存在、术前无低血压和低氧血症、无脑肿胀，患者功能恢复相对较好。

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