表 2.
神经功能较优改善组和神经功能较差改善组间资料比较
Comparison of data between the excellent neurological improved group and the poor neurological improved group
| Items | Excellent improved group | Poor improved group | P |
| *P < 0.05. | |||
| Case number | 21 | 9 | |
| Age/years, x±s | 49.5±11.5 | 49.0±12.1 | 0.921 |
| BMI/(kg/m2), x±s | 28.6±4.2 | 26.6±6.1 | 0.394 |
| Disease duration/months, x±s | 31.3±40.1 | 39.8±51.2 | 0.667 |
| Operation time/min, x±s | 136.9±28.0 | 138.4±46.7 | 0.911 |
| Operation blood loss/mL, x±s | 467.1±203.9 | 1088.9±791.3 | 0.047* |
| Preoperative mJOA score, x±s | 6.5±2.2 | 4.9±1.3 | 0.052 |
| The last follow-up mJOA score, x±s | 8.3±1.8 | 6.0±1.1 | 0.002* |
| Neurological improvement rate/%, x±s | 46.6±24.6 | 18.2±28.4 | < 0.001* |
| Operation segments, x±s | 3.4±0.7 | 4.0±1.0 | 0.121 |
| Cerebrospinal fluid leakage，n | 11 | 5 | 0.873 |