Table 3.
Analysis of vessel and stenosis characteristics and rate of in-stent restenosis by location of lesion
| All other sites (49 lesions of stenosis) | Internal carotid artery (17 lesions of stenosis) | p Value | |
|---|---|---|---|
| Diameter of artery | |||
| Mean±SD | 2.8±0.5 | 3.4±0.6 | <0.001 (Mann–Whitney) |
| 95% CI | 1.7 to 3.9 | 2.3 to 4.6 | |
| Median | 2.7 | 3.3 | |
| IQR | 2.5–3.1 | 2.9–3.9 | |
| Degree of stenosis before stenting | |||
| Mean±SD | 73.2±11.4 | 67.6±10.0 | 0.127 (Mann–Whitney) |
| 95% CI | 51.0 to 95.5 | 48.0 to 87.1 | |
| Median | 75.0 | 69.9 | |
| IQR | 63.3–82.6 | 62.9–75.0 | |
| Degree of stenosis post-stenting | |||
| Mean±SD | 47.7±13.9 | 45.7±11.2 | 0.538 (Mann–Whitney) |
| 95% CI | 20.4 to 75.1 | 23.7 to 67.7 | |
| Median | 47.0 | 44.8 | |
| IQR | 37.0–58.2 | 38.3–52.3 | |
| In-stent restenosis | |||
| Incidence | 10 (20.4%) | 1 (5.9%) | 0.314 (χ2) |
| 95% CI | 10.7% to 34.8% | 0.3% to 30.8% | |
| Odds | 0.2564 | 0.0625 | OR=4.1 |