| 分组 | MMSE评分 | ||
| 术前 | 术后1 d | 术后2 d | |
| A组(n = 30) | 27.90 ± 0.61 | 25.53 ± 0.94 | 29.97 ± 11.17 |
| B组(n = 30) | 28.07 ± 0.37 | 23.20 ± 1.24 | 25.83 ± 0.83 |
| t值 | 1.288 | 8.210 | 2.022 |
| P值 | 0.203 | <0.001 | 0.048 |