| Padua评分 | VTE组 | 对照组 | χ2 | P值 |
| <4 | 29 | 97 | 81.160 | 0.000 |
| ≥4 | 86 | 18 | 81.160 | 0.000 |
| 4 | 36 | 9 | 20.141 | 0.000 |
| 5 | 17 | 4 | 9.218 | 0.002 |
| 6 | 18 | 1 | 16.580 | 0.000 |
| 7 | 9 | 2 | 4.678 | 0.031 |
| 8 | 4 | 1 | 1.840 | 0.175 |
| ≥9 | 2 | 1 | 0.338 | 0.561 |
| 均值 ± 标准差 | 4.452 ± 1.846 | 1.748 ± 1.835 | 11.143 (t值) | 0.000 |