Table 1.
Demographic data and aneurysm characteristic comparisons.
| Parameter | Unruptured IAs (n=23) | Ruptured IAs (n=26) | p-value | |
|---|---|---|---|---|
| Age (years) | 47.1±12.0 | 48.6±11.5 | 0.42 | |
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| Gender (male/female) | 9/14 | 10/16 | 0.19 | |
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| BMI (kg/m2) | 25.1±2.7 | 27.5±2.3 | 0.35 | |
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| Heart rate (/min) | 69±7 | 74±8 | 0.23 | |
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| IAs Location | ICA n (%) | 4 (57%) | 3 (43%) | 0.21 |
| ACoA n (%) | 3 (30%) | 7 (70%) | 0.01 | |
| MCA n (%) | 9 (45%) | 11 (55%) | 0.07 | |
| V-B n (%) | 7 (58%) | 5 (42%) | 0.02 | |
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| Shape | Sphere n (%) | 9 (69%) | 4 (31%) | 0.01 |
| Oval n (%) | 9 (43%) | 12 (57%) | 0.07 | |
| Lobulated n (%) | 6 (40%) | 9 (60%) | 0.04 | |
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| Size (mm) | Height | 4.1±2.1 | 5.2±2.3 | 0.22 |
| Width | 3.6±2.1 | 4.4±1.8 | 0.14 | |
| Neck | 2.7±1.2 | 2.4±1.1 | 0.11 | |
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| Angle(°) | 121±18 | 85±21 | 0.04 | |
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| Aspect ratio (height/Neck) | 1.2±0.2 | 1.7±0.3 | 0.02 | |
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| Bottleneck factor (width/Neck) | 1.1±0.2 | 1.4±0.2 | 0.03 | |
Mean ±SD; BMI – body mass index; BPmax – systolic blood pressure; BPmin – diastolic blood pressure; ΔP – pulse pressure; Dmax – systolic diameter; Dmin – diastolic diameter; IAs – intracranial aneurysms.