2.
比较下腔静脉壁累组及无受累组MRI特征
MRI features of the study population (IVC wall invasion group vs. no IVC wall invasion group)
| Items | Invasion (n=17) | No invasion (n=39) | Statistics | P | OR | 95%CI |
| IVC,inferior vena cava. | ||||||
| Contact of the IVC thrombus and IVC wall, n (%) | 11.793 | 0.001 | 12.000 | 2.398-60.050 | ||
| No contact | 2 (11.765) | 24 (61.538) | ||||
| Contact | 15 (88.235) | 15 (38.462) | ||||
| Occlusion of the IVC lumen, n (%) | 9.636 | 0.002 | 9.706 | 1.949-48.335 | ||
| Filling | 15 (88.235) | 17 (43.590) | ||||
| No filling | 2 (11.765) | 22 (56.410) | ||||
| Margin of the thrombus, n (%) | 7.806 | 0.005 | 5.804 | 1.585-21.245 | ||
| Smooth | 4 (23.529) | 25 (64.103) | ||||
| Irregular | 13 (76.471) | 14 (35.897) | ||||
| Altered signal of the IVC wall, n (%) | 24.521 | 7.349×10-7 | 34.286 | 6.346-185.237 | ||
| Altered | 15 (88.235) | 7 (17.949) | ||||
| No altered | 2 (11.765) | 32 (82.051) | ||||
| Length of IVC thrombus/cm | 7.906±3.592 | 5.939±3.570 | 1.961 | 0.049 | ||
| Maximal anterior-posterior diameter of renal vein/cm | 1.877±0.549 | 1.744±0.520 | 0.957 | 0.339 | ||
| Maximal superior-inferior diameter of renal vein/cm | 1.953±0.532 | 1.926±0.559 | -0.080 | 0.936 | ||
| Maximal anterior-posterior diameter of IVC/cm | 3.288±0.704 | 2.672±1.300 | 1.837 | 0.066 | ||
| Maximal coronal diameter of IVC/cm | 3.041±0.780 | 2.672±1.300 | 1.641 | 0.101 | ||