Table 2. Thyroid hypofunction as indicated by TSH level in wU/dl. (Two TSH levels >6 WU/dl were considered positive evidence of hypofunction, or one such level in presurgical cases, which was often all that was available before surgery; two TSH levels >3 uU/dl were considered suggestive.) Pt. No. & sex Age 1979 1963 1966 1966 1971 1972 1973 1974 1975 1976 7.0 >60 3.5 5.4 1977 1978 1979 1980 Rongelap exposed, includingAilingnae Positive 3M 4M 26 63 22.0 2.7 3.2 5 M 16 M 34 F 26 64 69 500.0 4.6 475.0 1.2 71F 78 F 52 61 2M 26 4.4 1.4, 2.3 30 33 F 69 F 26 29 83 M 25 5.2, 74 F 40 32M —.-28 6.7 5.3, 16.3 76M 7M 35 60 63 F 60 15 F 31 72 F 45 F 31 56 6.0 11.6 7.0 32.0 5.3 6.3 4.8 10.0 5.2 6.5 <1.2 3.2 5.4 4.1 4.2 6.4 3.6 7.0 6.6 4.1 3.0 >40 1.8, 4.8 >40 6.5 8.3, 1.5 4.8 8.8 2.8 2.7 35.0 <2.5 6.9, 8.2 22.0 470.0 4.7, <1.0 1.3 Suggestive 32 5.0 1.9 >500 22.0 19 M 47 M 6.0 2.4 2.5 2.6, 3.3 2.8 1.2 2.9 3. 2 1.6 <1.0, 1.6 3.5, 4.7 ; 3.9, 3.2 7.0 3.3 7.0 1.9 <2.5 <1,.2 4.7 <1.2 2.1 <1l.2 6.3 4.9 - 129 - <l.2 6.7, 6.7 7.3 2.0 3.2, 2.8 5.0 <2.5 1.5 2.3 3.2, 1.6 2.8 1.0 <2.5 5.3, 1.0 2.2 4.1 2.2 5.5 <2.5 3.3 2.3 2.6