Table 2.
Quantitative image quality parameters at different stent materials
| AIDR 3D | FIRST | |
|---|---|---|
| SAIR | ||
| Stainless steel (n = 14) | 0.41 (0.02–0.83) | 0.24 (0.01–0.62) |
| Cobalt–chromium alloy (n = 8) | 0.27 (0.06–0.43) | 0.18 (0.03–0.40) |
| Overall (n = 22) | 0.32 (0.02–0.83) | 0.20 (0.01–0.62) |
| Visible diameter (%) | ||
| Stainless steel (n = 14) | 40.5 (32.0–47.5) | 46.4 (37.1–53.3) |
| Cobalt–chromium alloy (n = 8) | 57.7 (50.0–76.4) | 61.3 (51.4–80.0) |
| Overall (n = 22) | 47.5 (32.0–76.4) | 52.5 (37.1–80.0) |
AIDR 3D, adaptive iterative dose reduction 3D; FIRST, forward projected model-based iterative reconstruction solution; SAIR, stent lumen attenuation increase ratio.