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Article
July 7, 1989

Incorrect Confidence Intervals

JAMA. 1989;262(1):33. doi:10.1001/jama.1989.03430010045027

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Abstract

An error occurred in the letter to the editor entitled "The Efficacy of Acellular Pertussis Vaccine," published in the January 27 issue of The Journal (1989;261:560). On page 560, in the Table, the parenthetical confidence intervals in the fourth column should have read "(61-93) [not '(74-89)'] and (77-100) [not '(91-99)']" and those in the last column should have read "(40-86) [not '(59-81)'], (61-96) [not '(71-92)'], and (75-98) [not '(87-97)']."

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