1.
各组新生大鼠21 d存活情况
| [n（%）] | |||
| 组别 | n | 死亡 | 存活 |
| 假手术组 | 27 | 9(33) | 18(67) |
| 模型组 | 27 | 15(56) | 12(44) |
| 瘦素干预组 | 26 | 14(54) | 12(46) |
| χ2值 | 3.295 | ||
| P值 | 0.192 | ||
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