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Table 3 Haemodynamic and metabolic variables in the study population on admission

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

Variable Survivors (n = 31) Nonsurvivors (n = 13) P
MAP (mmHg) 58.2 ± 10 57.3 ± 12 NS
Heart rate (beats/min) 115 ± 35 120 ± 41 NS
PaO2/FiO2 274 ± 116 140 ± 55 0.0005
Arterial pH 7.39 ± 0.10 7.27 ± 0.10 0.0001
Leukocyte count (cells × 103/mm3) 14 ± 11 12 ± 4.1 NS
Platelet count (cells × 103/mm3) 167 ± 98 142 ± 86 NS
Serum bilirubin (μmol/l) 22 ± 24 50 ± 35 0.0008
Serum lactate (mmol/l) 4.5 ± 4.4 6.8 ± 4.8 NS
  1. Values are expressed as mean ± standard deviation. MAP, mean arterial pressure; NS, not significant; PaO2/FiO2, arterial oxygen tension/fractional inspired oxygen ratio.