2.
两组患儿短期疗效比较 [n（%）]
| 疗效 | ACTH组(n=17) | ACTH+硫酸镁组(n=55) | χ2值 | P值 |
| 注：*示有效为控制与改善之和。 | ||||
| 有效* | ||||
| 控制 | 5(29) | 25(45) | 0.42 | 0.52 |
| 改善 | 7(41) | 18(33) | ||
| 无效 | 5(29) | 12(22) | ||
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