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Median subjective image quality parameters.
| Overall image quality (1–5) | Vessel sharpness (1–5) | Image noise (1–5) | Streak artifacts (1–4) | |
|---|---|---|---|---|
| SoC protocol | 4.0 | 4.0 | 4.0 | 4.0 |
| Protocol A | 4.0 | 3.5 | 3.5 | 3.0∗ |
| Protocol B | 4.0 | 4.0 | 4.0 | 3.0 |
∗ indicates significant difference compared to reference protocol (p < 0.05).
