2.
儿童甲流并发不同神经系统症状情况 （n=291）
| 神经系统症状 | 例(%) |
| 抽搐 | 283(97.3) |
| 呕吐 | 70(24.1) |
| 头痛 | 21(7.2) |
| 神志萎靡 | 9(3.1) |
| 意识障碍 | 6(2.1) |
| 烦躁 | 2(0.7) |
| 步态不稳 | 1(0.3) |
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