Statistical analyses of hepcidin-25, CRP, ferritin, transferrin, TIBC and hormone concentrations were calculated using Wilcoxon signed-rank test. Correlations were tested by calculation of the Spearman rank correlation coefficient. Data are expressed as median, (lower and upper quartile). Significance level was set at p < 0.05. Statistical analyses were performed using Statistica, Statsoft version 10.0 (Tulsa, OK, USA).
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