Aneurysm no | ROI data native scan | ROI data post-contrast scan | Hyperintensity inside the distal aneurysm dome* | Aneurysm wall enhancement* | ||||
WEB (ROI 1) | Reference (ROI 2) | Ratio | WEB (ROI 3) | Reference (ROI 4) | Ratio | |||
1 | 117 | 221 | 0.53 | 154 | 223 | 0.69 | 1 | 1 |
2 | 66 | 246 | 0.27 | 89 | 242 | 0.37 | N/A | 0 |
3 | 28 | 220 | 0.13 | 49 | 214 | 0.23 | N/A | 0 |
4 | 108 | 231 | 0.47 | 99 | 225 | 0.44 | 0 | 0 |
5 | 59 | 198 | 0.30 | 64 | 226 | 0.28 | 0 | 0 |
6 | 37 | 250 | 0.15 | 41 | 215 | 0.19 | N/A | 0 |
7 | 73 | 288 | 0.25 | 50 | 277 | 0.18 | 0 | 0 |
8 | 30 | 221 | 0.14 | 59 | 242 | 0.24 | N/A | 0 |
9 | 25 | 77 | 0.32 | 24 | 87 | 0.28 | 0 | 0 |
10 | 74 | 221 | 0.33 | 175 | 242 | 0.72 | 0 | 1 |
11 | 128 | 222 | 0.58 | 141 | 244 | 0.58 | N/A | 1 |
12 | 53 | 235 | 0.23 | 58 | 230 | 0.25 | N/A | 1 |
13 | 60 | 208 | 0.29 | 65 | 217 | 0.30 | 0 | 1 |
14 | 45 | 210 | 0.21 | 116 | 229 | 0.51 | N/A | 1 |
15 | 28 | 244 | 0.11 | 63 | 229 | 0.28 | N/A | 0 |
16 | 25 | 234 | 0.11 | 44 | 251 | 0.18 | 0 | 1 |
17 | 128 | 229 | 0.56 | 220 | 229 | 0.96 | 1 | 1 |
18 | 50 | 231 | 0.23 | 48 | 224 | 0.21 | N/A | 1 |
19 | 40 | 234 | 0.17 | 65 | 241 | 0.27 | 0 | 0 |
20 | 78 | 245 | 0.32 | 67 | 246 | 0.27 | 0 | 0 |
21 | 102 | 255 | 0.40 | 300 | 266 | 1.13 | 0 | 1 |
22 | 65 | 215 | 0.30 | 78 | 234 | 0.33 | N/A | 1 |
23 | 58 | 236 | 0.25 | 50 | 248 | 0.20 | 1 | 0 |
24 | 22 | 222 | 0.10 | 95 | 249 | 0.38 | N/A | 0 |
25 | 88 | 259 | 0.34 | 210 | 240 | 0.88 | N/A | 1 |
Mean±SD | 63.5±32.2 | 225.7±35.6 | 0.28±0.14 | 97.0±66.2 | 230.8±32.8 | 0.41±0.26 | N/A | N/A |
*0=no/1=yes.