5.
早发型组和晚发型组患儿预后比较 [n（%）]
| 组别 | 例数 | 治愈 | 好转 | 放弃 | 死亡 |
| 早发型组 | 73 | 48(65.8) | 7(9.6) | 12(16.4) | 6(8.2) |
| 晚发型组 | 298 | 207(69.5) | 45(15.1) | 24(8.1) | 22(7.4) |
| χ2值 | 0.375 | 1.478 | 4.705 | 0.059 | |
| P值 | 0.540 | 0.224 | 0.030 | 0.808 |
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