Coefficient of variance of perfusion parameters in noise datasets generated in 6 trials at each noise level
| Simulated Exposure (mAs) | Coefficient of Variance (%) | ||
|---|---|---|---|
| CBF | CBV | MTT | |
| 188 | 1.3 | 0.3 | 1.2 |
| 177 | 2.1 | 0.7 | 1.9 |
| 167 | 3.2 | 0.9 | 2.9 |
| 127 | 4.1 | 1.9 | 4.6 |
| 44 | 7.1 | 4.5 | 6.7 |
Note:—Coefficient of variance is defined as SD/mean × 100.