| | 基线 | 1个月 | 3个月 | 6个月 |
| 对照组 | 67.30 ± 5.99 | 73.00 ± 3.84 | 73.00 ± 5.53 | 76.40 ± 3.25 |
| 观察组 | 65.35 ± 6.11 | 75.40 ± 4.47 | 76.05 ± 3.71 | 75.85 ± 3.88 |
| t值 |
| 1.82 | 2.05 | 0.49 |
| P值 |
| 0.08 | 0.048 | 0.63 |