Age
Group At
Exposure
Total
suTgically yo
Proved
2
Number Nodules
2 &
Expecte
Nodules
Expecte
Cancers
fea
Dose
Rads
redieais—awuuuie
At Risk,
Risk,
(Cancers)
10-6 rad-ly7
20 (-)
25
14
Lancer
Risk,
10-6 radly
Rongelap
In Utero
<10
3
194
1
0
0.078
0.026
600
14
1
0.49
0.17
4000
13 (15)
0.73
1N--18
il
2
1
0.84
0.14
1700
20 (22)
3.1
2.1
>18
32
3
2
2.5
0.22
1300
17 (13)
0.71
3.3
All Ages
65
20
4
3.9
0.56
2190
15 (16)
8.0
1.5
1
0
0
0.026
0.0087
610
~ (-)
-
-
<10
7
2
0
0.18
9.963
1100
22 (-)
11
~
10-18
-
-
-
-
~
- (-)
-
-
>18
11
3
0
0.93
0.077
410
17 (-)
27
-
All Ages
is
5
0
1.1
0.15
700
19 (-)
15
-
<
9
0
0.21
0.069
130
- (-)
-
-
<1o
3+
4
1
1.4
9.47
490
25 (21)
3.9
0.95
10-18
19
3
0
1.5
9.24
220
20 (-)
>18
86
e
1
6.7
9.59
170
23 (22
3.9
1.3
All Ages
167 -
15
2
9.8
1.4
280
23 (21)
4.8
9.61
Ailingnae
In Utero
-
Ltirik
In Utero
18
All Exposed
In Utero
-
‘
12
1
0
0.31
0.10
290
20 (-)
9.9
<10
80
20
2
2.1
0.70
1400
16 (18)
10-18
30
5
2
2.1
0.38
760
20 (22)
5.9
1.2
>18
129
14
3
10
0.80
470
20 (16)
3.3
2.2
All Ages
251
40
6
15
2.1
780
18 (18)
7.1
1.1
10
Aniere were two infants with atrophy of thyroid which were not counted,
B
Co 80.
Cc
Assumed to be time between March 1954 and time of surgery.
Papsolute Risk = No. of excess cases due to radiatior x 10 6
mean thyroid dose x No. of subjects at risk x mean years at risk
0.65