sae ee eee eee eee eae ee 53 Mr. Roger Ray July 18, 1985 Page 2 Effects on Longevity There Is no evidence that prolonged residence on Rongelap since resulted in a shortening of life expectancy: Res(dence Category Humber of Deaths Short-term Intermediate 20 27 Long-term 5 Total 52* " [1957 has Mean ane at Death 61.4 ycafs 66.6 yeafs Average 70.0 yeas 64.9 yeafs * Does not include 2 accidental deaths. Effects on Thyrold Neoplasia There is no evidence that prolonged residence on Rongelap since resulted In an increase In thyroid neoplasia. Nine unexposed persons Comparison group have had surgery for thyroid nodules: Residence Category Short-term Intermediate Long-term ere living. alive. Number Mean Age of Persons Tota] 58 46 29 133 in 1985 (yr) . 47.1 46.4 46.9 Number with Thyroid Nodules Removed & (7%) 3 (7%) 2. (7%) Humber of Thyroicd§ Cancers 9 All of the 9 persons who had thyroid nodules removed are 9tI1] Effects on Blood Counts (1985 data) There is no detectable effect of residence on Rongelap on blood c Residence Category Short-term Intermediate Long-term Number Tested 24 40 26 Neutrophils/ul #50 465122089 - 38382 992 - 436621551 Lymphocytes/ul ___ #50 275441006 2835+ 908 2612 787 nts: Platelets/ulx103 2S 279411 292t 262% A test of equality of means showed no statistically significant differe among the three categories. Note that the number of blood tests perfo (90) 1s less than the number of persons in the Comparison group. This [s because not all were seen in the March-April, 1985, survey.