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Quantitative assessment of CT number variations in vivo during the unenhanced period of the TACs. All measurements were done in the ROIs traced in the myocardial territory of the LAD coronary artery.
| CT number range (HU) | Standard deviation of PSR artifacts (HU) | Noise (HU) | ||||
|---|---|---|---|---|---|---|
| Physiological condition | PS | PS + TSFF | PS | PS + TSFF | PS | PS + TSFF |
| Rest | 35.2 | 11.9 | 7.7 | 2.9 | 13.6 | 13.2 |
| Adenosine stress | 32.0 | 10.5 | 7.6 | 2.7 | 13.8 | 13.4 |
