Morphologic characteristics for each group
| Stable Aneurysms | Growing Aneurysms: Baseline | Grown Aneurysms: Follow-Up Imaging | |
|---|---|---|---|
| No. | 81 | 56 | 56 |
| Aneurysm volume (median) (IQR) (cm) | 0.02 (0.01–0.11) | 0.03 (0.01–0.12) | 0.05 (0.02–0.19)b |
| Aneurysm size (median) (IQR) (cm) | 0.53 (0.36–0.76) | 0.53 (0.41–0.81) | 0.64 (0.46–0.97)b |
| Neck size (median) (IQR) (cm) | 0.42 (0.30–0.55) | 0.43 (0.33–0.62) | 0.48 (0.38–0.69)b |
| Parent vessel diameter (median) (IQR) (cm) | 0.37 (0.29–0.45) | 0.33 (0.28–0.38)b | 0.33 (0.28–0.38)b |
| AR (median) (IQR) | 0.73 (0.53–1.10) | 0.76 (0.56–0.95) | 0.88 (0.71–1.08)c |
| HWR (median) (IQR) | 0.82 (0.64–0.97) | 0.84 (0.70–0.95) | 0.90 (0.80–1.08)b |
| BF (median) (IQR) | 1.00 (0.87–1.25) | 1.03 (0.89–1.25) | 1.15 (0.97–1.32)c |
| BL (median) (IQR) | 0.30 (0.13–0.44) | 0.32 (0.16–0.45) | 0.39 (0.26–0.48)b |
| SizeR (median) (IQR) | 0.37 (0.29–0.45) | 1.82 (1.12–2.49) | 2.14 (1.44–3.01)a |
| VOR (median) (IQR) | 1.38 (1.07–2.04) | 0.25 (0.14–0.59) | 0.35 (0.20–0.89)b |
| IPR (median) (IQR) | 0.22 (0.10–0.67) | 4.71 (4.60–4.85) | 4.71 (4.61–4.93) |
| UI (median) (IQR) | 4.74 (4.61–4.90) | 0.23 (0.14–0.36) | 0.19 (0.13–0.27) |
| EI (median) (IQR) | 0.21 (0.14–0.35) | 0.26 (0.25–0.28) | 0.26 (0.24–0.27) |
| NSI (median) (IQR) | 0.26 (0.25–0.29) | 0.19 (0.17–0.21) | 0.19 (0.17–0.22) |
| GAA (median) (IQR) (cm–2) | 10.4 (5.0–21.2) | 8.7 (4.4–15.9) | 6.0 (3.2–10.7)b |