Table 5.
Hemodynamic and morphological characteristics of rupture IAs.
| Patients | Time from finding to rupture (month) | SR | DA (°) | LSAR | b | NWSSa | Stratification by RRS | Stratification by IARS |
|---|---|---|---|---|---|---|---|---|
| 1 | 3.5 | 4.6 | 42 | 0.54 | 0.010 | 0.22 | High risk | High risk (4) |
| 2 | 4.9 | 3.2 | 36 | 0.51 | 0.007 | 0.21 | High risk | High risk (3) |
| 3 | 7.2 | 2.9 | 22 | 0.43 | 0.007 | 0.16 | High risk | High risk (2) |
| 4 | 6.3 | 2.6 | 39 | 0.39 | 0.022 | 0.15 | High risk | High risk (4) |
| 5 | 10.4 | 2.1 | 18 | 0.49 | 0.005 | 0.48 | High risk | Low risk (1) |
| 6 | 5.9 | 3.3 | 38 | 0.32 | 0.014 | 0.14 | High risk | High risk (4) |
| 7 | 6.2 | 3.2 | 14 | 0.28 | 0.007 | 0.38 | High risk | Low risk (1) |
| Ruptured IAs at high-risk group | Unruptured IAs at low risk group | |||||||
| IARS | 5/26(19.2%) | 42/44(95.5%) | ||||||
| RRS | 7/57(12.3%) | 13/13(100.0%) | ||||||
| Result of ROC analysis | ||||||||
| AUC | Confidence interval | |||||||
| IARS | 0.723 | 0.576–0.889 | ||||||
| RRS | 0.673 | 0.413–0.793 | ||||||