Skip to main content

Table 1 Organ-specific time-integrated activity coefficients (TIACs) in hours for all patients (classified into age groups)

From: Biokinetics, dosimetry, and radiation risk in infants after 99mTc-MAG3 scans

Age group Patient Gender TIAC (h)
Kidneys Bladder Wholebody
Newborns (1.6–11.0 months; 13 males (M), 4 females (F)) P01 M 0.17 0.42 1.32
P02 M 0.11 0.30 0.70
P03 M 0.16 1.30 0.71
P04 F 0.06 0.21 0.59
P05 M 0.07 0.31 3.88
P06 M 0.07 0.38 3.57
P07 M 0.07 2.94 0.61
P08 F 0.08 2.92 0.75
P09 M 0.03 1.97 0.35
P10 F 0.05 0.58 0.43
P11 M 0.07 0.21 1.55
P12 M 0.29 1.39 0.57
P13 M 0.05 0.06 0.69
P14 M 0.15 1.34 3.66
P15 M 0.09 0.05 0.35
P16 F 0.44 0.93 3.12
P17 M 0.07 0.14 3.35
Mean ± SD   0.11 ± 0.09 0.91 ± 0.92 1.54 ± 1.32
1-year-olds (13.0–20.0 months; 1 male (M), 2 females (F)) P18 M 0.05 1.11 0.17
P19 F 0.10 1.32 0.43
P20 F 0.03 2.99 0.31
Mean ± SD   0.06 ± 0.03 1.81 ± 0.84 0.31 ± 0.11
All Mean ± SD   0.11 ± 0.09 1.04 ± 0.96 1.36 ± 1.29
1-year-olds—ICRP 128 [15]    0.065 1.6 0.23