Table 2.
Mean pericoronary FAI ± SD (ranges) for different kernels and iterative reconstruction strength levels
| Subjects (n = 20) | Vessel radius (mm) | Qr36 | Bv36 | Bv44 | Bv56 | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| QIR off (HU) | QIR 2 (HU) | QIR 4 (HU) | QIR off (HU) | QIR 2 (HU) | QIR 4 (HU) | QIR off (HU) | QIR 2 (HU) | QIR 4 (HU) | QIR off (HU) | QIR 2 (HU) | QIR 4 (HU) | ||
| 3.7 ± 0.8 | −95 ± 5 (−105; −83) | −90 ± 8 (−103; −70) | −87 ± 68 (−101; −70) | −96 ± 6 (−106; −81) | −95 ± 8 (−107; −76) | −95 ± 9 (−108; −74) | −101 ± 5 (−106; −85) | −100 ± 6 (−110; −86) | −101 ± 8 (−114; −85) | −106 ± 2 (−109; −98) | −105 ± 4 (−109; −90) | −103 ± 6 (−113; −86) | |
FAI fat-attenuation index, HU Hounsfield unit, IQR interquartile range, QIR quantum iterative reconstruction, RCA right coronary artery, SD standard deviation