TABLE III.
Biases ± standard deviations (in %) for measurements imaged with the three doses coupled with the four slice thicknesses for each scanner.
| GE | Siemens | |||||||
|---|---|---|---|---|---|---|---|---|
| 0.625 (mm) | 1.25 (mm) | 2.5 (mm) | 5 (mm) | 0.6 (mm) | 1.5 (mm) | 3 (mm) | 5 (mm) | |
| 250 eff. mAs | −0.42 | −0.53 | 0.50 | 0.88 | −1.16 | −0.11 | 0.51 | 1.39 |
| ±4.57 | ±4.42 | ±4.27 | ±6.08 | ±8.22 | ±3.74 | ±3.73 | ±4.03 | |
| 100 eff. mAs | −2.39 | −0.67 | 0.51 | 2.13 | −3.04 | 0.13 | 1.07 | 1.81 |
| ±11.80 | ±5.85 | ±5.42 | ±6.82 | ±14.82 | ±6.77 | 6.09 | ±6.53 | |
| 50 eff. mAs | −2.09 | −1.84 | 0.39 | 2.30 | −9.67 | −0.34 | 0.47 | 1.47 |
| ±16.56 | ±13.55 | ±9.96 | ±9.80 | ±25.91 | ±7.28 | ±9.21 | ±10.74 | |