Radioprotection No. 60-1 | Page 76

70 H. Murat et al.: Radioprotection 2025, 60( 1), 65 – 75 Table 3. Statistical analysis of patient dose information. Statistics PET CT PET-CT
A( MBq) E( mSv) CTDI vol( mGy) DLP( mGy cm) E( mSv) E Total( mSv)
Min
200.70
3.23
4.40
401.94
6.03
9.26
25 th percentile
329.39
5.32
5.01
516.35
7.75
13.07
Median
416.25
6.71
8.24
786.31
11.80
18.51
75 th percentile
514.53
8.30
11.90
1223.85
18.36
26.66
Max
646.39
10.40
17.50
1821.73
27.33
37.73
Mean ± SD
424.64 ± 121.19
6.85 ± 1.82
8.82 ± 3.92
882.97 ± 406.91
13.24 ± 6.10
20.09 ± 7.85
Table 4. LAR coefficients for various organs based on BEIR VII Phase II data. Organ Sex b 0 b 1 b 2 b 3 r 2
Stomach
Men
13.43
0.95
– 0.01
6.00 10 �5
0.9992
Women
18.81
1.13
– 0.02
0.01 10 �2
0.9991
Colon
Men
78.86
2.81
– 0.04
– 1.00 10 �16
0.9997
Women
73.62
0.53
– 0.01
– 0.01 10 �2
0.9999
Liver
Men
– 1.72
1.58
– 0.03
0.01 10 �2
0.9978
Women
3.00
0.45
– 0.01
0.03 10 �3
0.9986
Bladder
Men
53.05
1.24
– 0.01
0.01 10 �2
0.9944
Women
64.43
0.67
– 0.001
– 0.02 10 �2
0.9998
RBM
Men
152.95
– 4.99
0.12
– 0.01 10 �1
0.9983
Women
80.64
– 1.35
0.03
– 0.03 10 �2
0.9998
Brain
Men
150.12
5.66
– 0.16
0.01 10 �1
0.9998
Women
197.83
3.12
– 0.11
0.01 10 �1
1.0000
Thyroid
Male
56.80
– 2.61
0.04
– 0.02 10 �2
0.9968
Female
257.12
– 11.77
0.18
– 0.01 10 �1
0.9982
Lung
Male
88.48
0.52
0.01
– 0.03 10 �2
0.9987
Female
190.12
2.30
– 0.004
– 0.01 10 �1
0.9993
All solid
Male
426.00
13.28
– 0.27
0.01 10 �1
0.9994
Female
1772.50
– 35.13
0.39
– 0.03 10 �1
0.9998
Table 5. Calculated LAR of cancer incidence based on gender. Organ Lifetime attributable risk( no. of cases per 100,000 persons exposed to 0.1 Gy)
Mean ± SD Men( n = 20) Women( n = 20) p-value
Bladder
23.98 ± 5.00
14.90 ± 5.92
< 0.05
Lung
6.95 ± 2.92
20.18 ± 7.40
< 0.05
Stomach
1.91 ± 0.40
1.41 ± 0.53
< 0.05
Liver
0.50 ± 0.99
0.77 ± 0.28
< 0.05
Brain
17.04 ± 11.69
22.47 ± 9.37
0.122 *
Kidneys
5.42 ± 3.73
7.32 ± 3.05
0.094 *
Colon
4.27 ± 2.12
4.06 ± 1.30
0.711 *
RBM
3.91 ± 1.57
3.73 ± 1.07
0.670 *
Thyroid
0.13 ± 0.23
0.51 ± 0.98
0.107 *
Mean ± SD
7.12 ± 7.63
8.37 ± 8.09
0.755 *
* Red bone marrow( RBM) indicates leukemia.