PCoA aneurysms | ||||
---|---|---|---|---|
Variable | Total (n=173) | Ruptured (n=108) | Unruptured (n=65) | p Value* |
Size, mm | ||||
Average† | 5.24 (3.28) | 5.33 (2.69) | 4.36 (4.13) | 0.145 |
>7, n (%) | 44 (25.4) | 26 (24.1) | 18 (27.7) | 0.597 |
≤7, n (%) | 129 (74.6) | 82 (75.9) | 47 (72.3) | |
Neck width, mm | ||||
Average | 4.29±1.43 | 4.15±1.17 | 4.53±1.76 | 0.127 |
≥4, n (%) | 87 (50.3) | 53 (49.1) | 34 (52.3) | 0.680 |
<4, n (%) | 86 (49.7) | 55 (50.9) | 31 (47.7) | |
Surface area, mm2† | 63.67 (76.78) | 64.60 (60.44) | 57.04 (120.62) | 0.629 |
Volume, mm3† | 46.64 (86.77) | 48.73 (73.44) | 42.72 (148.92) | 0.995 |
Aspect ratio† | 1.22 (0.69) | 1.30 (0.70) | 1.10 (0.62) | 0.006 |
Size ratio | 1.76±0.82 | 1.84±0.75 | 1.62±0.91 | 0.088 |
Morphological type | ||||
Lateral, n (%) | 54 (31.2) | 27 (25.0) | 27 (41.5) | 0.023 |
Bifurcation, n (%) | 119 (68.8) | 81 (75.0) | 38 (58.5) | |
Irregular shape, n (%) | 81 (46.8) | 69 (63.9) | 12 (18.5) | <0.001 |
Small vessel, n (%) | 3 (1.73) | 2 (1.85) | 1 (1.54) | 1.000 |
*Unpaired t test, rank sum test, χ2 test or Fisher's exact test as appropriate.
†Data are expressed as median (quartile).
PCoA, posterior communicating artery.