Cox regression of one year mortality after surgery.

<p>Cox regression of one year mortality after surgery.</p

Results of multivariate analysis of odds of high RDW over normal RDW.

<p>Results of multivariate analysis of odds of high RDW over normal RDW.</p

Flowchart showing study cohort derivation.

<p>Flowchart showing study cohort derivation.</p

Distribution of patient characteristics according to anemia status, RDW and MCV values.

<p>Distribution of patient characteristics according to anemia status, RDW and MCV values.</p

Prevalence of anemia in each age and gender groups.

<p>Prevalence of anemia in each age and gender groups.</p

Forrest plot of aHR of 1 year mortality of anemia stratified by MCV and RDW.

<p>* adjusted for the same variables as in <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0182543#pone.0182543.t004" target="_blank">Table 4</a>. Adjusted Hazard Ratio (aHR); Red Cell distribution Width (RDW); Mean Corpuscular Volume (MCV).</p

Distribution of microcytosis, normocytosis, macrocytosis in anemic patients of various age and gender groups.

<p>Distribution of microcytosis, normocytosis, macrocytosis in anemic patients of various age and gender groups.</p

Graph showing the mean and 95% confidence intervals of red cell distribution width in various anemia / mean corpuscular volume (MCV) groups.

<p>Graph showing the mean and 95% confidence intervals of red cell distribution width in various anemia / mean corpuscular volume (MCV) groups.</p

Results of multinomial analysis of odds of mild or moderate/severe anemia over no anemia.

<p>Results of multinomial analysis of odds of mild or moderate/severe anemia over no anemia.</p