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Table 4 Correlations of related variables with plasma levels of erythropoietin and renin on admission in patients with septic shock

From: Erythropoietin and renin as biological markers in critically ill patients

Variable EPO Renin
  r P r P
Serum lactate H0 (mmol/l) 0.5 <0.001 0.52 <0.001
PaO2/FiO2 -0.41 <0.005 -0.24 NS
Arterial pH -0.58 <0.001 -0.33 <0.05
Leukocyte count (cells × 103/mm3) -0.11 NS -0.003 NS
Platelet count (cells × 103/mm3) -0.13 NS 0.02 NS
Serum bilirubin (μmol/l) 0.08 NS 0.08 NS
Serum EPO (mmol/l)    0.42 <0.005
  1. EPO, erythropoietin; NS, not significant; PaO2/FiO2, arterial oxygen tension/fractional inspired oxygen ratio.