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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 J+Clin+Epidemiol
2015 ; 68
(10
): 1138-43
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Contour plot assessment of existing meta-analyses confirms robust association of
statin use and acute kidney injury risk
#MMPMID26092287
Chevance A
; Schuster T
; Steele R
; Ternès N
; Platt RW
J Clin Epidemiol
2015[Oct]; 68
(10
): 1138-43
PMID26092287
show ga
OBJECTIVES: Robustness of an existing meta-analysis can justify decisions on
whether to conduct an additional study addressing the same research question. We
illustrate the graphical assessment of the potential impact of an additional
study on an existing meta-analysis using published data on statin use and the
risk of acute kidney injury. STUDY DESIGN AND SETTING: A previously proposed
graphical augmentation approach is used to assess the sensitivity of the current
test and heterogeneity statistics extracted from existing meta-analysis data. In
addition, we extended the graphical augmentation approach to assess potential
changes in the pooled effect estimate after updating a current meta-analysis and
applied the three graphical contour definitions to data from meta-analyses on
statin use and acute kidney injury risk. RESULTS: In the considered example data,
the pooled effect estimates and heterogeneity indices demonstrated to be
considerably robust to the addition of a future study. Supportingly, for some
previously inconclusive meta-analyses, a study update might yield statistically
significant kidney injury risk increase associated with higher statin exposure.
CONCLUSIONS: The illustrated contour approach should become a standard tool for
the assessment of the robustness of meta-analyses. It can guide decisions on
whether to conduct additional studies addressing a relevant research question.