i a Bo I x w 6 - * a a 3 4- we o wo = a os — ~ = a a” ac * so ~ ~ A Se >* a MALES LYMPHOCYTES x 10° | CG _ c.8 — de 2440 #56 DAYS TIME ~* —. 726 '§ ee 23 4 5 6 MO YE APS AFTER EXPOSURE ? Figure 39. Mean lymphocvte counts of exposed Rongelap people from time of exposure through 7 vears post exposure. Stars represent mean values of comparison population. 20 3¢ 40 50 60 SGE {YEARS) Figure +0. Ly mphocvte counts of exposed Rongelap males - EXPOSED FEMALES- ALL AGES *® UNEXPOSED FEMALES-AcL AGES YO L . 400 «650s AGE (YEARS } 7Q 1. CUMUL ATIVE aot J’ 30, —_1— oT . i. 20 Md oOo nN % al nM TT 10 PERCENT . b oO TT 7" tae @ LYMPHOCYTES «10° _ b oO gl 80 plotted against age. Solid line represents mean level of unexposed male population. 1O0r FEMALES 70 80- 60~ 40- 20 oo 9-880 95 1a 26 34 42 50 LYMPHOCYTES x 1073 538 66 Figure +1. Lymphocyte counts of exposed Rongelap temales plotted against age. Solid line represents mean level of unexposed female population. Figure 42. Lymphocvte cumulative percent distribution curves tor exposed compared with unexposed population and >40 years (see Figures 35 and 38). The con- Morphology tinued depression is 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. No very unusual morphological changes in blood cells were noted. A few bilobed Ivmpho- cvtes were seen in differential smears of both cx- Erythrocytes posed and unexposed people, but no counts were made. Price-Jones curves in the past have shown a slight microcytic tendency of the red cells. The meanlevels of hematocrit, red blood count, and hemoglobin by sex and age group (Table 12) Ailingnae Blood Counts showedgenerally lowerlevels in the exposed males of age >15 and females of age >40 years. These for examination. Thelevels of peripheral bloodele. of the other peripheral blood elements. Thescattergrams (Figures 47 and 48), cumulative percentage distribution curves (Figures 49 and 50) and histogram (Figure 33) demonstrate this. the same as in the unexposed population. except that the platelets were still somewhat below the unexposed mean levels for most of the age and sex groups {see Table 12 and Appendix 3). differences were not markedasin the case of some Of the 17 Ailingnae people, 15 were available ments in this group were generally very nearly