Table 2.
Individual CT parameters for all paediatric patients of the present study undergoing a chest CT examination
| Patient number | Tube current (mA) | Exposure time (s) | Tube voltage (kV) | Pitch | Collimation (mm) | Type of CT scanner |
|---|---|---|---|---|---|---|
| 1A | 80 | 0.4 | 100 | 1.375 | 40 | GE Discovery CT750 HD |
| 1B* | 60 | 0.4 | 100 | 1.375 | 40 | GE Discovery CT750 HD |
| 2 | 80 | 0.4 | 80 | 1.375 | 40 | GE Discovery CT750 HD |
| 3 | 35 | 0.6 | 100 | 1.375 | 40 | GE Discovery CT750 HD (VEO) |
| 4 | 30 | 0.4 | 100 | 0.984 | 40 | GE Discovery CT750 HD |
| 5 | 25 | 0.6 | 100 | 0.984 | 40 | GE Discovery CT750 HD |
| 6 | 38.3 (ATM) | 0.5 | 80 | 1.375 | 40 | GE Discovery CT750 HD |
| 7 | 75 | 0.4 | 100 | 0.984 | 40 | GE Discovery CT750 HD (VEO) |
| 8 | 111.82 (ATM) | 0.6 | 80 | 1.370 | 40 | GE Discovery CT750 HD |
| 9 | 86.86 (ATM) | 0.6 | 80 | 1.375 | 40 | GE Discovery CT750 HD |
| 10 | 79 | 0.6 | 100 | 1.375 | 40 | GE Discovery CT750 HD |
| 11 | 94.98 (ATM) | 0.6 | 120 | 1.375 | 40 | GE Discovery CT750 HD |
| 12 | 119.25 (ATM) | 0.6 | 120 | 1.375 | 40 | GE Discovery CT750 HD |
| 13 | 22.47 (ATM) | 0.4 | 80 | 0.516 | 40 | GE Discovery CT750 HD (VEO) |
| 14 | 22.58 (ATM) | 0.4 | 80 | 0.516 | 40 | GE Discovery CT750 HD (VEO) |
| 15 | 18.90 (ATM) | 0.4 | 80 | 0.516 | 40 | GE Discovery CT750 HD (VEO) |
| 16 | 31.54 (ATM) | 0.4 | 80 | 0.516 | 40 | GE Discovery CT750 HD (VEO) |
| 17 | 10 | 0.4 | 80 | 0.984 | 40 | GE Discovery CT750 HD (VEO) |
| 18 | 41.42 (ATM) | 0.4 | 80 | 0.984 | 40 | GE Discovery CT750 HD (VEO) |
| 19 | 19.66 | 0.4 | 80 | 0.516 | 40 | GE Discovery CT750 HD (VEO) |
| 20 | 61.69 (ATM) | 0.4 | 80 | 0.516 | 40 | GE Discovery CT750 HD (VEO) |
| 21 | 24 | 0.4 | 80 | 0.516 | 40 | GE Discovery CT750 HD (VEO) |
| 22 | 37.67 | 0.4 | 80 | 0.516 | 40 | GE Discovery CT750 HD (VEO) |
| 23 | 39.15 (ATM) | 0.4 | 80 | 0.516 | 40 | GE Discovery CT750 HD (VEO) |
| 24 | 31.13 | 0.4 | 80 | 0.516 | 40 | GE Discovery CT750 HD (VEO) |
| 25 | 10 | 0.4 | 80 | 0.984 | 40 | GE Discovery CT750 HD (VEO) |
| 26 | 35.84 (ATM) | 0.4 | 80 | 0.516 | 40 | GE Discovery CT750 HD (VEO) |
| 27 | 21.58 | 0.4 | 80 | 0.516 | 40 | GE Discovery CT750 HD (VEO) |
| 28 | 29.81 (ATM) | 0.4 | 80 | 0.516 | 40 | GE Discovery CT750 HD (VEO) |
| 29 | 33.30 (ATM) | 0.4 | 80 | 0.516 | 40 | GE Discovery CT750 HD (VEO) |
| 30 | 122.32 (ATM) | 0.285 | 120 | 0.900 | 38.4 | Siemens Somatom Definition Flash |
| 31 | 73.28 (ATM) | 0.5 | 100 | 1.400 | 38.4 | Siemens Somatom Definition Flash |
| 32 | 163.19 (ATM) | 0.5 | 100 | 1.200 | 38.4 | Siemens Somatom Sensation 64 |
| 33 | 63.42 (ATM) | 0.5 | 100 | 1.400 | 38.4 | Siemens Somatom Definition Flash |
| 34 | 124.31 (ATM) | 0.5 | 100 | 1.400 | 38.4 | Siemens Somatom Definition Flash |
| 35 | 48.31 (ATM) | 0.5 | 100 | 1.200 | 38.4 | Siemens Somatom Definition Flash |
| 36 | 160.54 (ATM) | 0.5 | 100 | 1.200 | 38.4 | Siemens Somatom Definition Flash |
| 37 | 127.81 (ATM) | 0.5 | 100 | 1.200 | 38.4 | Siemens Somatom Definition Flash |
| 38 | 89.89 (ATM) | 0.5 | 100 | 1.200 | 38.4 | Siemens Somatom Definition Flash |
| 39 | 77.12 (ATM) | 0.5 | 100 | 1.200 | 38.4 | Siemens Somatom Definition Flash |
| 40 | 157.67 (ATM) | 0.5 | 80 | 1.200 | 38.4 | Siemens Somatom Definition Flash |
| 41 | 138.39 (ATM) | 0.5 | 80 | 1.200 | 38.4 | Siemens Somatom Definition Flash |
ATM automatic tube current modulation, VEO iterative reconstruction
* Problems with contrast agent administration