| 组别 | 人数 | 理论知识成绩 | 操作技能成绩 |
| 实验组 | 45 | 94.62 ± 2.36 | 91.51 ± 3.71 |
| 对照组 | 45 | 87.04 ± 3.62 | 89.62 ± 2.41 |
| t值 | - | 11.757 | 2.860 |
| P值 | - | P < 0.001 | P = 0.005 |