signpost iconLycopene for the prevention of prostate cancer

Bottom Line:

Given that only three RCTs were included in this systematic review, and the high risk of bias in two of the three studies, there is insufficient evidence to either support, or refute, the use of lycopene for the prevention of prostate cancer.

Publication details:

This systematic review looked at whether lycopene reduces the incidence of prostate cancer and prostate cancer-specific mortality.

We assessed this page using an appraisal instrument developed by Minervation specifically for this project. This approach is still in development, so you should regard the assessments as a general guide. Click here to find out more, or to let us know how you think the approach could be improved.

Reliability comments:

  • The page gas been checked by an expert.
  • The page was published on 7 October 2009.
  • The page links to relevant sources.
  • A clear statement about the website developers is required
  • A robust quality control procedure is reported

Usability comments:

  • The format is clear and appropriate for the audience.
  • The website does not conform to web accessibility standards
  • Poor layout
  • Confusing and over-complicated for users

Scoring

Reliability
Item Score
Is it clear who has developed the web site and what their objectives are? 1
Wiley Interscience appears all over the homepage of the Cochrane Library. There is an About Us section but this is hard to locate.
Does the site report a robust quality control procedure? 3
Is the page content checked by an expert? 3
The page has been checked by an expert.
Is the page updated regularly? 3
The page was published on 7 October 2009.
Does the page cite relevant sources where appropriate? 3
The page links to relevant sources.
Usability
Item Score
Is the site accessible without a login? 3
No registration required.
Does the site conform to web Accessibility standards? 0
Lida score 80%
Is the site design clear and transparent? 0
Very cluttered homepage, small font size, too many menu options. Very confusing.
Is the site design consistent from one page to another? 1
Not very consistent.
Can users find what they need on the site? 1
Just about. There is a browsing option but this is difficult to find and use. The search facility is confusing and it is difficult to view search results.
Is the format of information clear and appropriate for the audience? 1
Weighted total (Usability + (Reliability x 2)): 32
We score each question out of three where:
0 = Never or Can't tell
1 = Sometimes or partly
2 = Mostly
3 = Always

Date rated

Source

The Cochrane Library

Currency

Good

Audience

Professionals

Publication Type

Systematic Review

Format

HTML, PDF

Reliability

5 stars

Usability

0.5  stars

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