Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation
. 2001 Jun 16;322(7300):1479-80.
doi: 10.1136/bmj.322.7300.1479.

Forest plots: trying to see the wood and the trees

S Lewis  1 , M Clarke
Affiliations

Forest plots: trying to see the wood and the trees

S Lewis et al. BMJ. .
No abstract available

PubMed Disclaimer

Figures

Figure 1
Figure 1
First use of forest plot for meta-analysis of effect of β blockers on mortality3 (reproduced with permission from Physicians World/Thomson Healthcare, Secaucus, NJ)
Figure 2
Figure 2
Updated version of Lewis and Ellis's original plot (fig 1 ) showing effect of β blockers on mortality
See this image and copyright information in PMC

References

    1. Cochrane Collaboration. Cochrane Library. Issue 1. Oxford: Update Software; 2001.
    1. Freiman JA, Chalmers TC, Smith H, Kuebler RR. The importance of beta, the type II error and sample size in the design and interpretation of the randomized control trial: survey of 71 “negative trials”. N Engl J Med. 1978;299:690–694. - PubMed
    1. Lewis JA, Ellis SH. A statistical appraisal of post-infarction beta-blocker trials. Prim Cardiol. 1982;suppl 1:31–37.
    1. McGill R, Tukey JW, Larsen WA. Variations of box plots. Am Stat. 1978;32:12–16.
    1. DeMets DL. Methods for combining randomized clinical trials: strengths and weaknesses. Stat Med. 1987;6:341–350. - PubMed

MeSH terms

Substances