Table 2.
Comparisons of Plaque Volumes of Carotid Arteries Ipsilateral to the Stroke by Sex
| Volumes of Plaque Subcomponent (mm3) | Embolic Stroke of Undetermined Source (n=94) | Atrial Fibrillation (n=95) | ||||
|---|---|---|---|---|---|---|
| Men (n=42) | Women (n=52) | P Value | Men (n=50) | Women (n=45) | P Value | |
| Carotid arteries ipsilateral to stroke | ||||||
| Calciumipsi | 63.9 (27.9–116.3) | 19.6 (8.1–64.0) | <0.001 | 59.8 (25.2–149.8) | 46.3 (10.3–87.3) | 0.10 |
| IPHipsi | 9.4 (2.5–15.3) | 3.3 (1.8–8.3) | 0.008 | 5.1 (1.6–12.6) | 3.2 (3.2–11.8) | 0.08 |
| LRNC | 59.0 (23.3–117.9) | 51.1 (19.3–111.6) | 0.84 | 77.6 (13.5–139.2) | 48.0 (22.7–97.6) | 0.52 |
| IPH/LRNCipsi | 0.17 (0.05–0.38) | 0.07 (0.03–0.16) | 0.03 | 0.14 (0.02–0.50) | 0.07 (0.004–0.40) | 0.09 |
| Carotid arteries contralateral to stroke | ||||||
| Calciumcontra | 34.1 (12.6–99.2) | 14.7 (2.5–63.7) | 0.06 | 55.0 (8.0–115.9) | 44.1 (17.7–83.3) | 0.87 |
| IPHcontra | 7.5 (3.7–17.4) | 4.3 (1.4–12.5) | 0.03 | 5.2 (1.0–10.0) | 6.0 (1.6–9.6) | 0.87 |
| LRNCcontra | 48.4 (16.0–117.5) | 63.3 (14.7–105.5) | 0.79 | 42.6 (21.4–79.2) | 61.1 (24.0–104.8) | 0.43 |
| IPH/LRNCcontra | 0.15 (0.05–0.43) | 0.09 (0.03–0.21) | 0.08 | 0.11 (0.02–0.34) | 0.09 (0.02–0.18) | 0.09 |
Contra indicates contralateral; IPH, intraplaque hemorrhage; Ipsi, ipsilateral; and LRNC, lipid rich necrotic core.