Table 1 Dual-energy CT acquisition and reconstruction parameters
No. of platform | Vendor | Scanner | Type | Tube Voltage (kVp) | Milliamperage (mA or mAs) | Rotation Time (sec) | Volume CT dose index (mGy) | Iteration Method | Reconstruction kernel |
|---|---|---|---|---|---|---|---|---|---|
1 | SIEMENS | SOMATOM Drive | dsDECT | 80/140 | 580/224 | 0.5 | 20.00 | ADMIRE 2 | Q40f |
2 | SIEMENS | SOMATOM Drive | dsDECT | 100/140 | 279/216 | 0.5 | 20.04 | ADMIRE 2 | Q40f |
3 | SIEMENS | SOMATOM Definition Flash | dsDECT | 80/140 | 531/205 | 1.0 | 20.01 | SAFIRE 2 | Q40s |
4 | SIEMENS | SOMATOM Definition Flash | dsDECT | 100/140 | 258/199 | 1.0 | 19.96 | SAFIRE 2 | Q40s |
5 | SIEMENS | SOMATOM Force | dsDECT | 70/150 | 848/212 | 0.5 | 20.00 | ADMIRE 2 | Qr40 |
6 | SIEMENS | SOMATOM Force | dsDECT | 100/150 | 294/147 | 0.5 | 20.02 | ADMIRE 2 | Qr40 |
7 | GE | Discovery CT750 HD | rsDECT | 80/140 | 640* | 0.6 | 21.84 | ASiR-V 40% | Standard |
8 | GE | Revolution Apex | rsDECT | 80/140 | 370* | 1.0 | 19.75 | ASiR-V 40% | Standard |
9 | GE | Revolution CT | rsDECT | 80/140 | 275* | 0.8 | 20.00 | ASiR-V 40% | Standard |
10 | PHILIPS | IQon spectral CT | dlDECT | 120 | 221 | 0.75 | 20.00 | iDOSE 3 | Standard (B) |