21
ae:
Comparison ofStature (1958 Throudl19
1961)of Children With Retarded Osseous Development
With
Next Younger Sibs
;
Stature, cm
ool
Subject
Sib
Subject
Sib
Subject
Sib
Subject
Sib
Subject
Sib
Subject
No.
(5)
(#85)
(#2)
(#91)
(3)
(£83)
(65)
(£86)
(#6)
(#84)
Sex
Born
1958
1959
1960
1961
M
M
M
M
M
M
F
F
M
M
10/20/52
9/ 7/54
10/23/52
1/ 3/55
9/11/52
6/ 8/54
12/ 4/52
10/17/34
10/14/52
5/31/54
95.7
95.5
103.0
89.8
98.5
97.6
93.0
90.6
100.4
94.2
98.8
100.9
108.3
97.1
102.2
98.6
98.4
97.0
106.3
98.6
102.2
108.0
115.6
104.1
106.7
113.0
102.9
103.5
111.8
104.8
104.8
112.5
119.9
109.9
108.7
117.0
109.4
107.5
116.4
109.7
Table 9
Table 10
Skeletal Ages in 8-Year-Old Children
Laboratory Data (1961) on Children Exposed
to Fallout at Ages 12 to 18 Months
Sex
Age at
exposure,
mo
Chronological
agein 1961,
yr
Skeletal age*
In
1959
In
1961
Subject
No.
Serum
calcium,
mg %
Serum
phosphorus,
mg ‘ce
Protein
boundtodine,
7/100 ml
2
M
16
8 2
4%2
6%?
2
9.40
4.61
8.0
3
M
1?
82
21%2
3
3
9.24
4.06
8.8
5
66
33
a4
65
M
M
F
M
F
ott
x
16
16
20
12
15
bd
we
955
F
ae
962
F
**
980
F
“*
996
F
“
*Greulich-Pyle standards.
**Control.
tNo film.
8
8
8
B
8
V2
2
M2
Ma
V2
Ws
: "
81% >
8 M2
8 2
Be
3%
3%?
7%2
t
3%2
5
9
3 i
t
t
6%.
t
3 %2
6 %2
442
9 *2
6
“>
10
7 “2
9
Bia
tional method and the standards published by
Greulich and Pyle.'? As shownin Figure 15, the
following general trends were noted: (1) Both the
exposed and control Marshallese children tended
to be less mature skeletally at comparable chronological ages than the normspublished by Greulich
and Pyle. (2) Boys tended to be consistently less
mature skeletally than girls at comparable chronologic ages. (3) Exposed children, both boys and
6
65
83
86
8.36
8.56
3.84
9.80
3.25
4.34
4.26
4.12
16.7
7.1
3.1
12.0
girls, tended to be less mature than control chil-
dren. (4) Whenthe children were grouped according to age at exposure, the exposed compared to
the control group of both boys andgirls tended to
be less mature. Although these trends suggested
that the exposed children may be inferior in skeletal maturation to unexposed children, the differences did not reach thelevel ofstatistical significance. The retardation in skeletal development
was most prominentin the group ofchildren exposedto fallout at ages 12 to 18 months. As expected, there was a high correlation between retardation in skeletal age and inferiority in statural
growth.
Of special interest was the group of children
now 8 years old who were exposedto falloutat
ages 12 to 18 months. The statural measurements
for these 5 children from 1958 through 1961 com-