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Table 2: 
Mean effective doses (millisievert) for 3 age groups when scanned with local low- and high-dose protocols in comparison with literature-derived calculated effective doses and literature-derived effective doses
Age Low-Dose Protocol High-Dose Protocol Swartz et al 2009⁸^a Thomas et al 2008⁹^b Lutz et al 2007⁵^b
CTDI DLP D_eff CTDI DLP D_eff CTDI kV mAs D_eff kV mAs D_eff kV mAs D_eff
1 year old 8.8 40 0.3 63 285 1.8 34 120 150 0.9–1 120 200 2.6 – – –
5 year old 10.8 49 0.25 63 288 1.4 45 120 200 0.97–1.1 120 200 1.7 – – –
Adult – – – – – – – 120 320 1.2–1.3 – – – 120 140 0.3


a Indicates literature derived calculated effective doses.


b – indicates literature-derived effective doses.

When available, CTDI (milligray), DLP (milligray × centimeter), and kilovolt/milliampere-second are shown also for literature-derived protocols.