Effective tube current at different cervical spine levelsa
| Applied Tube Current (mAs) | Effective Tube Current (mAs) | |||
|---|---|---|---|---|
| C1–2 | C3–4 | C5–6 | C7–T1 | |
| 45 | 37 ± 4 | 46 ± 3 | 45 ± 3 | 43 ± 2 |
| 75 | 62 ± 7 | 78 ± 4 | 76 ± 2 | 70 ± 3 |
| 105 | 88 ± 8 | 110 ± 6 | 106 ± 5 | 99 ± 3 |
| 135 | 113 ± 13 | 139 ± 8 | 133 ± 9 | 127 ± 6 |
| 150 | 126 ± 13 | 155 ± 10 | 149 ± 6 | 142 ± 6 |
| 165 | 138 ± 14 | 170 ± 9 | 160 ± 6 | 157 ± 5 |
| 195 | 163 ± 16 | 204 ± 11 | 190 ± 6 | 186 ± 7 |
| 275 | 234 ± 23 | 280 ± 18 | 270 ± 19 | 257 ± 12 |
| 355 | 331 ± 27 | 344 ± 49 | 343 ± 14 | 336 ± 13 |
↵a Data represent mean ± SD at the respective cervical spine levels.