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AMA Manual of Style (10th edition ed.) : A Guide for Authors and Editors

AMA Manual of Style Committee

Publisher:
Oxford University Press
Print Publication Date:
Mar 2007
Print ISBN-13:
9780195176339
Published to AMA Manual of Style:
Apr 2009
DOI:
10.1093/jama/9780195176339.001.0001
© American Medical Association

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Contents

Percentages

Chapter:
Numbers and Percentages
Author(s):

Stephen J. Lurie,

Margaret A. Winker

The term percent derives from the Latin per centum, meaning by the hundred, or in, to, or for every hundred. The term percent and the symbol % should be used with specific numbers. Percentage is a more general term for any number or amount that can be stated as a percent. Percentile is defined as the value on a scale of 100 that indicates the percentage of the distribution that is equal to or below it.Ten percent of the work remained to be done. Heart disease was present in a small percentage of the participants. (But: Five percent of the

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