TABLE IV AGE ADJUSTED - THYROID PATHOLOGY 1979 Group: (Cumulative) Rongelap Exposed* Thyroid Abnormalities Age 1979 Number xX HypoThyroid Y Benign Z Rate Rate Ca X/n y/n Rate L/n Total X-Y-Z n 25-29 15 2 10 0 -13 ~67 0 - 80 30-34 6 0 5 1 0 .83 7 1.00 35-39 7 0 1 0 0 14 0 14 40-44 5 0 1 1 0 .20 20 40 45-49 4 0 0 1 0 0 25 25 50-54 6 1 2 1 .17 .33 -17 .67 55-59 0 0 0 0 0 0 0 0 60-64 5 2 0 0 -40 0 0 40 65-69 1 1 0 0 1.00 0 0 1.00 70-74 3 0 0 0 0 0 0 0 Total . 52 Age adjusted rate - .47 *Include only people currently alive as of December 1979.