50 EFFECTS OF IONIZING RADIATION 4.32 range but platelets and lymphocytes remained depressed but higher than at 6 months. Hematological Findings, Group II. Ailinginae The pattern of change of all elements in Group IT was essentially identical to that of Group I: however, the degree of change was not as marked (Table 4.3). As with Group I, recovery of all elements was incomplete at 6 months. At 12 months granulocytes were in the control 4.33 Hematological Findings, GroupIV. Utirik Since it was known that Group IVhad received a very small dose of radiation compared to the other exposure groups, less frequent de- Table 4.3.—Group II Ailinginae Mean Blood Count by Day and by Age W.B.C. (X103) NEUTROPHILES (X105) : LYMPHOCYTES (X10) P. E. Day_______-- <5 >5|] <5 35 <5 >5 3.22 eee eee 7 0-0 e eee eee 1O_. 2 ee 6.0 5.5 63 7.0 6.8 7.3 3.0 wa 4.2 1.8 5.0 wee 4.2 47 28 wee 1.9 15__._-.- wanes 18_____-..-_.----.22.02 26...-----.--.._ se. 30__ ~~~ ee 33__.-2- ee 39_ eee 43.22 eee 47_ 2-2 ee BL. eee o4__._-__-_-----.-185____ 2 ee 400__.2 2 2k 7.1 68 89 84 96 7.7 7.5 69 7.9 8&4 4.6 7.7 11.t 7.0 7.8 &7 7.0 8&6 7.8 6&2 6.5 6.7 6.3 6.3 6.5 7.8 23 29 5.3 4.8 5.3 3.3 29 2.7 35 3.8 28 4.8 4,2 45 5.0 5.4 44 6.2 5.2 42 3.6 3.8 3.6 3.5 3.9 4.7 12_____- Haw ee eee. ‘Controls Group A___| 6.3 138.2 7.6 9%7 4,8 48 PLATELETS (X104) Monocytes All <10 >10 Ages 31 2.2 nee 22 2.2 eae. eee 22.5 cette eee 22.6 eee FB eee eee 20.9;3.8 4,2 3.5 27 3.2 3.7 35 4.7 3.9 3.4 4.0 3.2 2.7 65 2.2 2.4 2.9 2,2 2.0 2.2 19 2.7 2.7 2.2 2.5 22 5.6 29.0 27.5 23.5 20.0 19.5 24.0 26.5 28.0 27.0 32.0 37.0 25.2 38.7 20.2 21.7 17.0 13.8 12.8 15.8 20.8 19.6 20.0 182 198 19.2 21.4 74 41 (M) a--- 41.2 (M) wee 25.8 EoSINOPHILES (X103) (F) >5i <5 35 R4 16 ee 21 58 05 w-26 0.4 ee 16 24.6/3.7 249/23 22.9; L5 17.4123 182/489 22.7 2.8 27.0/ 11 25.3;06 261/)2.2 250/27 23.8); 1.5 23.9! 11 283/10 2.6 L656 2.4 2.4 19 2.2 17 L4 L9 2.8 1.9 14 Lil 23 3.2 §.8 0.6 4.1 6.0 2.7 2.8 15 2.2 18 15 17 L4 2.3 24 #16 2.0 1.9 1.6 06 OF 10 0.8 22 22 ---- <5 965/2.0 2.0 4.4 95 2.6 4.7 Table 4.4.—Group IV Uttirik Mean Blood Count by Day and by Age W. B.C. (X10) P. E. Day_______-- <5 >5) <5 D5 4_. 1-2 eee 14__. 22.2.2 22 -____e 19_.____- ~-------- 94 10.0 oe 82 86 ee 4.7 4.1 aoe 4.2 3.2 nee CJ tos wal co 29___----Controls Group A__.| Ct NEUTROPHILES (X108) 10.1 13.2 9%F7 9.7] 4.9 48 5.8 48 LYMPHOCYTES (X108) ; PLATELETS (X10) Monocytes (X108) All EQSINOPHILES (X10 <5 >5 <10 >10 Ages| <5 3>5/] <5 >5 49 5.1 --- 3.2 2.9 ue ~p-e ---38.9 Leet ---. 281 eee «--. 35.6) FG 49 --. 02 42 __. 20 3.6 wee 1.2 2.7 wee 4.8 74 3.2 41 (M) 34.5 41.2 (M) 25.6 25.8 (F) 317/22 365); 2.0 1.7 2 3.1 9.5 2. 4.7