2.
各组新生大鼠生后21 d内体重变化比较
| (x±s,g) | |||||||||||
| 组别 | n | 0 d | 2 d | 3 d | 4 d | 5 d | 7 d | 10 d | 14 d | 17 d | 21 d |
| 注:a示与假手术组比较,P < 0.05;b示与模型组比较,P < 0.05。 | |||||||||||
| 假手术组 | 18 | 6.6±0.4 | 7.6±0.5 | 7.8±0.6 | 8.6±1.2 | 8.8±1.6 | 11.8±2.5 | 18.3±4.5 | 26.4±5.2 | 31.8±5.7 | 39.6±6.4 |
| 模型组 | 12 | 6.6±0.4 | 7.6±0.7 | 9.4±0.7a | 10.1±0.9a | 11.8±1.3a | 16.0±2.5a | 22.3±5.0 | 25.3±6.3 | 32.8±7.4 | 42.9±12.0 |
| 瘦素干预组 | 12 | 6.4±0.5 | 7.6±0.8 | 8.1±1.0b | 8.7±1.1b | 9.3±1.9b | 14.1±3.3b | 21.2±5.7 | 28.3±7.2 | 37.2±7.5 | 51.5±9.9 |
| F值 | 0.779 | 0.033 | 16.491 | 7.326 | 13.400 | 8.501 | 2.598 | 0.702 | 2.356 | 5.082 | |
| P值 | 0.466 | 0.968 | < 0.001 | 0.002 | < 0.001 | 0.001 | 0.087 | 0.502 | 0.108 | 0.051 | |