| 分组 | PHQ-9 | ||
| 术前1 d | 术后1 d | 术后2 d | |
| A组(n = 30) | 7.20 ± 0.96 | 6.07 ± 1.08 | 5.50 ± 0.94 |
| B组(n = 30) | 7.53 ± 1.11 | 6.87 ± 1.28 | 6.63 ± 1.45 |
| t值 | 1.246 | 2.616 | 7.917 |
| P值 | 0.218 | 0.011 | 0.001 |