December 5, 1966

Percentage Equation

JAMA. 1966;198(10):1051. doi:10.1001/jama.1966.03110230067013

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In the original contribution titled "Treatment of Hyperthyroidism With Sodium Iodide I 131" (197:605-610 [Aug 22]), an error occurs in Table B (p 609). The asterisk which appears after the column head "Patients Becoming Hypothyroid During Interval" should have appeared after the subhead "%." Furthermore, the first footnote should have a slash (/) instead of an equals sign (=), and should thus read: "*Number becoming hypothyroid/(number euthyroid at beginning of interval) — 1/2 (number lost to observation during interval)."