SDS | 观察组 | 35 | 59.55 ± 2.79 | 52.64 ± 3.29 | 9.477 | <0.05 |
| 对照组 | 35 | 59.26 ± 3.11 | 57.95 ± 2.88 | 1.829 | > 0.05 |
| t |
| 0.411 | 7.185 |
|
|
| P |
| >0.05 | <0.05 |
|
|