ARD_from_RR

Calculates the Absolute Risk Difference (ARD) from a Risk Ratio and baseline risk using simulations. The result is ARD as a decimal. The number of replications is fixed at 100,000.

Helps calculate statistical values commonly used in meta-analysis. It provides several methods to compute different forms of standardized mean differences, as well as other values such as standard errors and standard deviations.
The methods used in this package are described in the following references:
Altman D G, Bland J M. (2011) <doi:10.1136/bmj.d2090>
Borenstein, M., Hedges, L.V., Higgins, J.P.T. and Rothstein, H.R. (2009) <doi:10.1002/9780470743386.ch4>
Chinn S. (2000) <doi:10.1002/1097-0258(20001130)19:22%3C3127::aid-sim784%3E3.0.co;2-m>
Cochrane Handbook (2011) <https://handbook-5-1.cochrane.org/front_page.htm>
Cooper, H., Hedges, L. V., & Valentine, J. C. (2009) <https://psycnet.apa.org/record/2009-05060-000>
Cohen, J. (1977) <https://psycnet.apa.org/record/1987-98267-000>
Ellis, P.D. (2009) <https://www.psychometrica.de/effect_size.html>
Goulet-Pelletier, J.-C., & Cousineau, D. (2018) <doi:10.20982/tqmp.14.4.p242>
Hedges, L. V. (1981) <doi:10.2307/1164588>
Hedges L. V., Olkin I. (1985) <doi:10.1016/C2009-0-03396-0>
Murad M H, Wang Z, Zhu Y, Saadi S, Chu H, Lin L et al. (2023) <doi:10.1136/bmj-2022-073141>
Mayer M (2023) <https://search.r-project.org/CRAN/refmans/confintr/html/ci_proportion.html>
Stackoverflow (2014) <https://stats.stackexchange.com/questions/82720/confidence-interval-around-binomial-estimate-of-0-or-1>
Stackoverflow (2018) <https://stats.stackexchange.com/q/338043>.

Robert Emprechtinger

metaHelper

Transforms Statistical Measures Commonly Used for Meta-Analysis

Guido Schwarzer

Ulf Tölch

Günther Schreder

Gerald Gartlehner

ARD_from_RR function

<dl><dt>BR</dt>
<dd>baseline risk</dd>
<dt>BRLL</dt>
<dd>baseline risk lower limit confidence interval</dd>
<dt>BRUL</dt>
<dd>baseline risk upper limit confidence interval</dd>
<dt>RR</dt>
<dd>risk ratio</dd>
<dt>RRLL</dt>
<dd>risk ratio lower limit confidence interval</dd>
<dt>RRUL</dt>
<dd>risk ratio upper limit confidence interval</dd>
<dt>seed</dt>
<dd>seed that is used for the simulation to ensure reproducibility</dd></dl>

Arguments

Absolute Risk Difference — ARD_from_RR

<dl>

<dt>BR</dt>
<dd>baseline risk</dd>


<dt>BRLL</dt>
<dd>baseline risk lower limit confidence interval</dd>


<dt>BRUL</dt>
<dd>baseline risk upper limit confidence interval</dd>


<dt>RR</dt>
<dd>risk ratio</dd>


<dt>RRLL</dt>
<dd>risk ratio lower limit confidence interval</dd>


<dt>RRUL</dt>
<dd>risk ratio upper limit confidence interval</dd>


<dt>seed</dt>
<dd>seed that is used for the simulation to ensure reproducibility</dd>

</dl>

ARD_from_RR: Absolute Risk Difference

Description

Usage

Value

Arguments

References

Examples