| Dimension | Observation group （n=35） | Control group （n=35） | t/χ2 | P |
| Physical functiona | 52.75±4.12 | 61.43±4.25 | -6.143 | 0.013 |
| Role-physicala | 53.78±3.45 | 60.34±5.24 | -6.831 | < 0.001 |
| Bodily pain | 59.89±5.26 | 60.13±5.74 | 2.641 | 0.201 |
| Vitality | 53.24±.7.21 | 61.89±5.62 | -7.672 | 0.001 |
| Social function | 50.12±4.23 | 58.43±5.21 | -4.741 | < 0.001 |
| Emotional functiona | 51.34±3.67 | 60.34±4.63 | -5.382 | < 0.001 |
| Mental health | 49.31±7.31 | 59.43±6.34 | -5.987 | < 0.001 |
| General health | 52.91±5.04 | 60.28±5.29 | -6.915 | < 0.001 |
