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. Author manuscript; available in PMC: 2009 Jul 9.
Published in final edited form as: Am J Cardiol. 2006 Dec 8;99(3):393–398. doi: 10.1016/j.amjcard.2006.08.042

Figure 1.

Figure 1

Absolute standardized differences in baseline covariates between patients with and without chronic kidney disease, before and after propensity score matching (post-match standardized difference <5% indicate excellent covariate balance).