Table 4 ICA stenosis degree according to the ipsilateral thickness-to-diameter ratio cut-off for ICA stenosis at either side or for the largest ICA stenosis. Data are presented as mean ± SD. A high thickness-to-diameter ratio is indicative for a higher degree of ipsilateral ICA stenosis
ICA plaque | N ICAs | CCA plaque | Cut-off | ICA stenosis | p-value |
|---|---|---|---|---|---|
Either side | 192 | yes/no | <17% | 45 ± 19% | <0.001 |
179 | >17% | 52 ± 16% | |||
185 | no | <17% | 45 ± 19% | 0.15 | |
46 | >17% | 50 ± 18% | |||
Largest | 91 | yes/no | <16% | 56 ± 13% | 0.03 |
94 | >16% | 61 ± 12% | |||
90 | no | <16% | 56 ± 13% | 0.3 | |
23 | >16% | 58 ± 12% |