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"Vitamin D improves colon cancer survival rates"


CTV.CA

Source: CTV.CA

Published: 19 Jun 2022

Category: Other

Rating: (1 star)

what they said (Hover the mouse cursor over underlined words for more info)

Colon cancer patients who have high levels of vitamin D in their blood have a reduced risk of death compared to patients who are vitamin D deficient, a new study says.

Researchers at the Dana-Farber Cancer Institute and the Harvard School of Public Health analyzed blood samples from 304 patients, and ranked vitamin D levels by quartiles (the top 25 per cent, the next lowest 25 per cent, and so on). Patients in the bottom quartile were considered to be vitamin D deficient...

The original article can be found at: http://www.ctv.ca/servlet/ArticleNews/story/CTVNews/20080618/vitaminD_cancer_080618/20080619?hub=Health&s_name=

how did it rate? (more information)

Criteria Rating
Total Score 2 of 10
Availability of Treatment Not Satisfactory (?)
Novelty of Treatment Satisfactory (?)
Disease Mongering Satisfactory (?)
Treatment Options Not Satisfactory (?)
Costs of Treatment Not Satisfactory (?)
Evidence Not Satisfactory (?)
Quantification of Benefits of Treatment Not Satisfactory (?)
Harms of Treatment Not Satisfactory (?)
Sources of Information Not Satisfactory (?)
Relies on Press Release Not Applicable
Quantification of harms of treatment Not Satisfactory (?)

what we said (Hover the mouse cursor over underlined words for more info)

This article provides colon cancer reduction risk in relative terms without providing the colon cancer risk percentage (baseline) for an average person. The report does not mention other baseline characteristics of patients in the high and low quartile groups that may impact/affect the study findings. Also, the article did not include the details of the study design and information on how the 304 patients were chosen.

Although the story correctly points out that these are preliminary findings, alternative treatments options and treatment cost information are not provided to the readers.

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