Table 1 Baseline characteristics of study participants with unruptured wide-neck bifurcation aneurysm on the middle cerebral artery
Before IPTW | After IPTW | |||||||
|---|---|---|---|---|---|---|---|---|
WEB | Clipping | p-value | SMD | WEB | Clipping | p-value | SMD | |
(N = 37) | (N = 251) | (N = 37) | (N = 251) | |||||
Age, yrs | 62.0 ± 8.9 | 60.1 ± 8.0 | 0.195 | 0.22 | 59.6 ± 1.5 | 60.3 ± 0.5 | 0.712 | 0.072 |
Male (%) | 12 (32.4) | 65 (25.9) | 0.402 | 0.144 | 12 (28.5) | 65 (26.8) | 0.861 | 0.037 |
BMI | 24.8 ± 3.3 | 24.2 ± 2.9 | 0.311 | 0.172 | 25.6 ± 0.6 | 24.3 ± 0.2 | 0.149 | 0.329 |
Comorbidities (%) | ||||||||
Hypertension | 21 (56.8) | 136 (54.2) | 0.769 | 0.052 | 21 (61.4) | 136 (53.9) | 0.467 | 0.153 |
Diabetes mellitus | 10 (27.0) | 51 (20.3) | 0.351 | 0.158 | 10 (26.3) | 51 (20.5) | 0.517 | 0.137 |
Hyperlipidemia | 18 (48.7) | 146 (58.2) | 0.275 | 0.192 | 18 (54.4) | 146 (58.5) | 0.698 | 0.082 |
Smoker | 4 (10.8) | 43 (17.1) | 0.331 | 0.183 | 4 (6.8) | 43 (17.0) | 0.081 | 0.321 |
Alcohol consumption | 12 (32.4) | 55 (21.9) | 0.157 | 0.238 | 12 (36.9) | 55 (22.3) | 0.113 | 0.323 |
Aneurysm Morphology | ||||||||
Width (mm) | 4.94 ± 1.73 | 4.75 ± 2.16 | 0.616 | 0.095 | 4.61 ± 0.24 | 4.79 ± 0.14 | 0.54 | 0.087 |
Height (mm) | 4.76 ± 1.86 | 3.56 ± 1.90 | <.001* | 0.639 | 3.90 ± 0.26 | 3.72 ± 0.13 | 0.577 | 0.087 |
Neck diameter (mm) | 3.81 ± 1.31 | 3.71 ± 1.41 | 0.673 | 0.076 | 3.58 ± 0.20 | 3.73 ± 0.09 | 0.593 | 0.094 |
Aspect ratio | 1.26 ± 0.33 | 0.97 ± 0.34 | <.001* | 0.872 | 1.10 ± 0.05 | 1.01 ± 0.02 | 0.105 | 0.254 |
Dome to Neck ratio | 1.32 ± 0.23 | 1.29 ± 0.30 | 0.532 | 0.12 | 1.32 ± 0.04 | 1.29 ± 0.02 | 0.506 | 0.113 |