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AGE (YEARS)
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680
Figure 40. Lymphocyte counts of exposed Roneelap males
plotted against age. Solid line represents mean levei of
unexposed male population.
YE ARS
Figure 39. Mean lymphocyte counts of exposed Rongelap
people from time of exposure through 7 years post exposure. Stars represent mean values of comparison population.
2 EXPOSED FEMALES- ALL AGES
@ UNEXPOSED FEMALES- ALL AGES
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AGE (YEARS)
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Figure +1. Lymphocyte counts of exposed Rongelap temales plotted against age. Solid line represents meanlevel
of unexposed female population.
and >40 years (see Figures 35 and 38). The continued depressionis also indicated by the finding
of levels of < 250,000 in 44% of the exposed group
(including Ailingnae) but in only 25% of the unexposed group.
Erythrocytes
The meanlevels of hematocrit, red blood count,
and hemoglobin by sex and age group (Table 12)
showed generally lowerlevels in the exposed males
of age >15 and females of age >>40 years. These
differences were not marked asin the case of some
of the other peripheral blood elements. Thescattergrams(Figures 47 and 48), cumulative percentage distribution curves (Figures 49 and 50) and
histogram (Figure 35) demonstratethis.
207
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42
_YMPHOCYTES x 1073
50
58
:
66
Figure 42. Lymphocyte cumulative percent distribution
curves for exposed compared with unexposed population.
Morphology
No very unusual morphological changes in
blood cells were noted. A few bilobed lympho-
cytes were seen in differential smears of both ex-
posed and unexposed people, but no counts were
made. Price-Jones curves in the past have shown
a slight microcytic tendencyof the red cells.
Ailingnae Blood Counts
Of the 17 Ailingnae people, 15 were available
for examination. Thelevels of peripheral blood elements in this group were generally very nearly
the sameas in the unexposed population, except
that the platelets were still somewhat below the
unexposed meanlevels for most of the age and sex
groups (see Table 12 and Appendix 3).