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Numbers and Percentages  

Stephen J. Lurie and Margaret A. Winker

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

Print Publication Year: 
2007
Published Online: 
2009
eISBN: 
9780195382846
DOI: 
10.1093/jama/9780195176339.003.0019
Item type: 
chapter
ISBN: 
9780195176339
Any policy on the use of numbers in text must take into account the reader’s impression that numbers written as numerals (symbols) appear to emphasize quantity more strongly than numbers spelled ... More
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Combining Numerals and Words  

Stephen J. Lurie and Margaret A. Winker

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

Print Publication Year: 
2007
Published Online: 
2009
DOI: 
10.1093/jama/9780195176339.021.267
Item type: 
section
Use a combination of numerals and words to express rounded large numbers and consecutive numerical expressions. | Rounded large numbers, such as those starting with million, should be expressed with numerals ... More
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Numbers of 4 or More Digits to Either Side of the Decimal Point  

Stephen J. Lurie and Margaret A. Winker

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

Print Publication Year: 
2007
Published Online: 
2009
DOI: 
10.1093/jama/9780195176339.022.574
Item type: 
section
Commas are not used in large numbers. In 4-digit numbers, the digits are set closed up. For numbers of 10 000 or greater, a half-space or thin space is used to separate every 3 digits starting from the ... More
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Mixed Fractions  

Stephen J. Lurie and Margaret A. Winker

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

Print Publication Year: 
2007
Published Online: 
2009
DOI: 
10.1093/jama/9780195176339.022.575
Item type: 
section
For less precise measurements, mixed fractions may be used instead of decimals. These expressions usually involve time. Common fractions are typically spelled out (see , Spelling Out Numbers, Common Fractions).The ... More
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Measures of Temperature  

Stephen J. Lurie and Margaret A. Winker

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

Print Publication Year: 
2007
Published Online: 
2009
DOI: 
10.1093/jama/9780195176339.022.577
Item type: 
section
Use the degree symbol with Celsius or Fahrenheit measures of temperature. The degree symbol should be closed up (see , Units of Measure, Format, Style, and Punctuation, Spacing).The plates were cultured ... More
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Measures of Currency  

Stephen J. Lurie and Margaret A. Winker

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

Print Publication Year: 
2007
Published Online: 
2009
DOI: 
10.1093/jama/9780195176339.022.578
Item type: 
section
For sums of money, use the appropriate symbol to indicate the type of currency (eg, $, €, £; see also , Units of Measure, Conventional Units and SI Units in JAMA and the Archives Journals, Currency).His ... More
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Beginning a Sentence, Title, Subtitle, or Heading  

Stephen J. Lurie and Margaret A. Winker

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

Print Publication Year: 
2007
Published Online: 
2009
DOI: 
10.1093/jama/9780195176339.022.580
Item type: 
section
Use words for any number that begins a sentence, title, subtitle, or heading. However, it may be better to reword the sentence so that it does not begin with a number.Three hundred twenty-eight men and ... More
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Common Fractions  

Stephen J. Lurie and Margaret A. Winker

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

Print Publication Year: 
2007
Published Online: 
2009
DOI: 
10.1093/jama/9780195176339.022.581
Item type: 
section
Common fractions are expressed with hyphenated words, whether the fraction is used as an adjective or a noun. Mixed fractions are typically expressed in numerals (see , Use of Numerals, Mixed Fractions).Of ... More
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Rounded Large Numbers  

Stephen J. Lurie and Margaret A. Winker

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

Print Publication Year: 
2007
Published Online: 
2009
DOI: 
10.1093/jama/9780195176339.022.586
Item type: 
section
Rounded large numbers, such as those starting with million, should be expressed with numerals and words.The disease affects 5 million to 6 million people. [Note that the word million is repeated to avoid ... More
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Consecutive Numerical Expressions  

Stephen J. Lurie and Margaret A. Winker

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

Print Publication Year: 
2007
Published Online: 
2009
DOI: 
10.1093/jama/9780195176339.022.587
Item type: 
section
When 2 numbers appear consecutively in a sentence, either reword the sentence or spell out 1 of the numbers for clarity.Study participants were provided twenty 5-mL syringes. Avoid: In the cohort of 1500, ... More

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