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Table 3: 
Effective tube current at different cervical spine levelsa
Applied Tube Current (mAs)Effective Tube Current (mAs)
C1–2C3–4C5–6C7–T1
4537 ± 446 ± 345 ± 343 ± 2
7562 ± 778 ± 476 ± 270 ± 3
10588 ± 8110 ± 6106 ± 599 ± 3
135113 ± 13139 ± 8133 ± 9127 ± 6
150126 ± 13155 ± 10149 ± 6142 ± 6
165138 ± 14170 ± 9160 ± 6157 ± 5
195163 ± 16204 ± 11190 ± 6186 ± 7
275234 ± 23280 ± 18270 ± 19257 ± 12
355331 ± 27344 ± 49343 ± 14336 ± 13
  • ↵a Data represent mean ± SD at the respective cervical spine levels.