Figure 3.

The Forest plot of odds ratios of contrast-induced nephropathy. This is stratified by studies with elective procedures versus those including only emergency procedures. Sizes of data markers are proportional to the weight of each study in the meta-analysis. Horizontal bars, 95% confidence interval.

Meier et al. BMC Medicine 2009 7:23   doi:10.1186/1741-7015-7-23
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