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Aspirin for Asymptomatic Carotid Artery Stenosis
The Editors welcome submissions for possible publication in the Letters section. Authors of letters should:
•Include no more than 300 words of text, three authors, and five references
•Type with double-spacing
•Send three copies of the letter, an authors' form signed by all authors, and a cover letter describing any conflicts of interest related to the contents of the letter.
Letters commenting on an Annals article will be considered if they are received within 6 weeks of the time the article was published. Only some of the letters received can be published. Published letters are edited and may be shortened; tables and figures are included only selectively. Authors will be notified that the letter has been received. If the letter is selected for publication, the author will be notified about 3 weeks before the publication date. Unpublished letters cannot be returned.
Annals welcomes electronically submitted letters.
TO THE EDITOR:
Dr. Cote and colleagues [1] recently reported that aspirin therapy had no effect on the incidence of vascular events or death in asymptomatic patients with carotid narrowing (hazard ratio, 0.90 [95% CI, 0.62 to 1.33]. They interpreted the results of this excellent study as allowing them “to rule out, with 95% confidence, the possibility that aspirin may reduce the risk for the composite outcomes by 40% or more.” However, 95% CIs do not imply that investigators can be 95% confident: They simply indicate the range of results that are consistent with the measured point estimate [2, 3]. Confidence in being correct, especially 95% confidence, will usually require supporting evidence from other studies.
Warren S. Browner, MD, MPH
The Editors welcome submissions for possible publication in the Letters section. Authors of letters should:
•Include no more than 300 words of text, three authors, and five references
•Type with double-spacing
•Send three copies of the letter, an authors' form signed by all authors, and a cover letter describing any conflicts of interest related to the contents of the letter.
Letters commenting on an Annals article will be considered if they are received within 6 weeks of the time the article was published. Only some of the letters received can be published. Published letters are edited and may be shortened; tables and figures are included only selectively. Authors will be notified that the letter has been received. If the letter is selected for publication, the author will be notified about 3 weeks before the publication date. Unpublished letters cannot be returned.
Annals welcomes electronically submitted letters.
- Copyright ©2004 by the American College of Physicians
