| 狭窄程度 | 狭窄处最大WSS(Pa) | 狭窄前最大WSS (Pa) | 狭窄后最大WSS (Pa) | 后/前比值 |
| 正常组 | 0.2085 | 0.2173 | 0.2005 | 1.08 |
| 57% | 7.3641 | 0.0818 | 0.2939 | 3.59 |
| 60.4% | 7.7433 | 0.1219 | 0.5415 | 4.16 |
| 61.39% | 7.9327 | 0.1462 | 0.5422 | 3.71 |
| 62.55% | 8.2121 | 0.0417 | 0.0920 | 2.21 |
| 64.13% | 8.9727 | 0.2823 | 0.0901 | 3.13 |