Erythropoietin in the general population: reference ranges and clinical, biochemical and genetic correlates.

In multivariable regression, the associations between EPO and hemoglobin, waist circumference, glucose and cholesterol were highly significant in both sexes.

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Serum EPO concentration showed a trend upwards over age (β = 0.005; 95% CI, 0.002–0.007) Clinical and biochemical associations We performed univariable ( S4 Table ) and multivariable regression ( Table 3 ) separate for men and women because of the significant interaction between hemoglobin and sex on EPO levels.

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