33
itrophil levels increased
and 10-year surveys in
‘ison populations. At 9
were about 5% lower in
mMp-arison group, but at
20% lower. Neutrophil
23 through 29. The
‘tater in the exposed
J years). The exposed
Eosinopnits, Monocytes, AND Basoruits. The
levels of these ceils were not remarkably different
between the exposed and unexposed groups and
were similar to the levels in past surveys.
Pratetets. The platelet levels in the 9 and
10-year surveys both revealed greater deficit in
exposed males than in exposed females. Compared
with the unexposed groups the males had 20% less
in 1963 and 12% less in 1964, and the females 7%
less in 1963 and 2% less in 1964 (see Figure 35).
In the scattergrams (Figures 36 through 39) and
ars) did not share the
noted in the past (Fig-
the accumulative distribution curves (Figures 24
and 25) the differences are clearly shown.
scyte levels were slightly
unexposed groups dur-
EaytTHroporetic Evements. As in the past surveys no significant differences were noted in the
red blood counts, hemoglobins, or hematocrits
_,8. In contrast to the
mphocyte mean levels
‘ween the exposed and
the 9 and 10-year sur-
ual lymphocyte counts
.
iA
f
;
*
1 60 0 4 &
Sa0*
PLATELETS a0 *
ac
II
MALES 19640
7Oor
4
FOr
6&0 ©
-
60+ *
4
s0-
4
NEUTROPHILS «103
id
nents, main effects and interaction effects were
7
40-
4
sor ™
i
20—-4
0
3%
4 = 4 me
40
sO
6
4GE | years!
—_TO
u
ao
80r—e
.
NEUTROPHILS 9 10 4
oo
rn
°
6m)!|hCUSOlUCOtC
.
iat
Figure 28. Neutrophil counts of exposed Rongelap males
plotted against age Solid line represents mean level of
unexposed male popuiation, 1964.
—_——
FEMALES 1963
FOr
6o-
e
AGE (years)
unexposed male population, 1963.
t distribution curves for
20.—2o
20
90
Figure 26. Neutrophil counts of exposed Rongelap maies
plotted against age. Solid line represents mean level of
ond platelets, 1963.
-
»
*
- ~
20
FEMALES i964
~
*
~
*
4
*
GE (years)
BO
90
Figure 27. Neutrophil counts of exposed Rongelap [emales plotted against age. Sulid line represents mean
level of unexposed fernale population, 1963.
NE GT HOPS niu >
-
to 40, >40). Thus, for each of the blood compo-
{
NE UTROPRELS 0 10
¢
Lf i :
gelap versus nonexposed, and age (5 to 15, >15
MALES 1965
25, and 30 through 34.
”
(1961, 1962, 1963, and 1964), sex, exposed Ron-
a0 -— + me
roup. Lymphocytelev-
(26 30 omrt>
between the exposed and unexposed groups. Figures 40 through 49 demonstrate this point.
STATISTICAL ANALYSIS OF RonceLap BLoop
Data Oven Past Four Yeaas. These analyses
are in progress, and the following represents a
preliminary report by Mr. Keith Thompson of
Brookhaven National Laboratory.
“Afactorial analysis of variance of unweighted
meene-waameadefor cach of four blood componenw:platelets, white blood cells, neutrophils, and
lymphocytes. For these preliminary analyses, the
population was stratified into four factors: years
ao. | 80
AGE - years!
Figure 29. Neutrophil counts of exposed Rongelap femaies plotted against age Solid line represents mean
level of unexposed female population, 1964.
45