| 比较组 | 2 | P值 |
| 1和2 | 64.72 | <0.001 |
| 1和3 | 120.12 | <0.001 |
| 1和4 | 198.44 | <0.001 |
| 1和5 | 278.11 | <0.001 |
| 1和6 | 298.48 | <0.001 |
| 1和7 | 319.92 | <0.001 |
| 1和8 | 370.27 | <0.001 |
| 2和3 | 9.03 | 0.0027 |
| 2和4 | 39.73 | <0.001 |
| 2和5 | 82.99 | <0.001 |
| 2和6 | 95.49 | <0.001 |
| 2和7 | 109.17 | <0.001 |
| 2和8 | 143.35 | <0.001 |
| 3和4 | 11.10 | <0.001 |
| 3和5 | 38.47 | <0.001 |
| 3和6 | 47.39 | <0.001 |
| 3和7 | 57.53 | <0.001 |
| 3和8 | 84.12 | <0.001 |
| 4和5 | 8.47 | 0.0036 |
| 4和6 | 13.05 | <0.001 |
| 4和7 | 18.79 | <0.001 |
| 4和8 | 35.80 | <0.001 |
| 5和6 | 0.50 | 0.4799 |
| 5和7 | 2.07 | 0.1503 |
| 5和8 | 9.77 | 0.0017 |
| 6和7 | 0.54 | 0.4636 |
| 6和8 | 5.88 | 0.0153 |
| 7和8 | 2.88 | 0.0899 |