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JAMA. 2006;296:1842.

Incorrect Formula: In the Special Communication entitled "Reporting of Noninferiority and Equivalence Randomized Trials: An Extension of the CONSORT Statement" published in the March 8, 2006, issue of JAMA (2006;295:1152-1160), a formula for a 2-sided confidence interval (CI) used to assess noninferiority of a new treatment compared with a standard one with regard to an outcome was incorrect. On page 1158 in the subsection titled "Elaboration" that reads "the upper bound of the 2-sided (1–/2)  x 100% CI for the treatment effect has to be below the margin to declare that noninferiority has been shown . . . " should read "the upper bound of the 2-sided (1 –2) x 100% CI for the treatment effect has to be below the margin to declare that noninferiority has been shown . . . "

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ABSTRACT