Table 3.
Calibration curve linearity and slope data for the final RF dosimeters on 127.8 and 123.2 MHz systems. In brackets is the software version running on each scanner.
| No. of data | Slope | ||
|---|---|---|---|
| points | (calibration line) | R2 | |
| 3T MRI systems, 127.8 MHz | |||
| Philips Achieva XMR Dual-Channel, quadrature mode [R3.2.1] | 29 | 30.02 (0.07 SD) | 0.9999 |
| Philips Achieva Dual-Channel, quadrature mode [R3.2.1] | 29 | 29.96 (0.09) | 0.9996 |
| Philips Intera [R3.2.2] | 29 | 29.06 (0.04) | 0.9998 |
| GE MR750 [22M4] | 10 | 29.82 (0.12) | 0.9998 |
| GE HdX (I) [15M4] | 11 | 29.10 (0.13) | 0.9999 |
| GE HdX (II) [15M4] | 10 | 28.30 (0.14) | 0.9998 |
| All 127.8 MHz combined data | 118 | 29.32 (0.07) | 0.9994 |
| 3T MRI systems, 123.2 MHz | |||
| Siemens Trio (I) [VB17a] | 14 | 27.11 (0.10) | 0.9998 |
| Siemens Trio (II) [VB17a] | 14 | 26.82 (0.14) | 0.9996 |