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Birefringence in the caps at the shoulder of plaque ruptures and remote fibroatheromas
| Variable |
Cap at shoulder of plaque rupture
(n=9) |
Cap of intact remote fibroatheroma
(n=9) |
p value |
|---|---|---|---|
| Minimal fibrous cap thickness (µm) | 108 (97–142) | 121 (109–163) | 0.258 |
| Fibrous cap area (mm2) | 0.12 (−0.07–031) | 0.31 (0.15–0.45) | 0.161 |
| Birefringence (Δn) | 0.29 (0.22–0.36) | 0.29 (0.23–0.36) | 1.000 |
| Depolarization | 0.11 (0.09–0.15) | 0.09 (0.08–0.13) | 0.340 |
