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Table 2 Effects of red blood cell transfusion on hematocrit, hemoglobin, arterial oxygen content, oxygen delivery, arterial blood gas analysis, and central venous oxygen saturation

From: Effects of red blood cell transfusion on hemodynamic parameters: a prospective study in intensive care unit patients

Parameter Before RBC transfusion After RBC transfusion p-value compared with baseline 2 h after RBC transfusion p-value compared with baseline
Hematocrit, % 22 ± 2 28 ± 3 <0.001 27 ± 2 <0.001
Hemoglobin, g/dL 7.6 ± 0.8 9.4 ± 0.9 <0.001 9.2 ± 0.8 <0.001
CaO2, mL/dL 9.9 ± 1.0 12.2 ± 1.2 <0.001 12.0 ± 1.1 <0.001
DO2, mL/min 934 ± 288 1073 ± 369 <0.001 1042 ± 334 0.002
PaO2, mmHg 84.0 ± 13.1 82.7 ± 16.8 0.700 89.1 ± 18.4 0.227
PaCO2, mmHg 48.3 ± 11.7 48.6 ± 13.1 0.785 48.4 ± 14.3 0.972
SaO2, % 95.4 (93.1-96.8) 95.5 (92.4-96.7) 0.650 95.5 (94.2-97.1) 0.543
ScvO2, % 71.6 ± 6.2 71.1 ± 7.1 0.581 73.9 ± 7.3 0.113
  1. RBC red blood cell, DO 2 oxygen delivery, CaO 2 arterial oxygen content, PaO 2 arterial partial pressure of oxygen, PaCO 2 arterial partial pressure of carbon dioxide, SaO 2 arterial oxygen saturation, ScvO2 central venous oxygen saturation. Data are presented as mean ± standard deviation (normally distributed data) or median and 25%-75% percentile range (not normally distributed data).