1.
ASD组和对照组的基本资料
| 组别 | 例数 | 年龄(x±s, 岁) | 性别(男/女, 例) |
| 注：[ASD]孤独症谱系障碍。 | |||
| 对照组 | 1 038 | 4.3±1.3 | 791/247 |
| ASD组 | 1 020 | 4.3±1.2 | 781/239 |
| t/χ2值 | 0.747 | 0.038 | |
| P值 | 0.455 | 0.846 | |
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