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QT reflection and contrast to noise (CNR) measurements as a function of object size.
| Object size (mm) | Mean ROI intensity (RU) | Reflection CNR mean ± s.d. | Reflection CNR mean ± s.d. (dB) |
|---|---|---|---|
| 1 | 1359800 | 2261.9 ± 350.4 | 33.5 ± 0.6 |
| 0.8 | 1111377 | 1825.1 ± 396.0 | 32.6 ± 0.9 |
| 0.55 | 1085997 | 1780.5 ± 218.1 | 32.5 ± 0.5 |
| 0.3 | 801039 | 1279.4 ± 149.6 | 31.1 ± 0.5 |
| 0.2 | 258373 | 325.1 ± 27.3 | 25.1 ± 0.4 |
| 0.1 | 189697 | 204.3 ± 11.6 | 23.1 ± 0.2 |
