Table 2.

Demographic, Clinical, and Laboratory Characteristics of Patients Undergoing Elective Open-Heart Surgery Given 5 × 500 U/kg BW Epoetin Beta Placebo Intravenously Within 14 Days Preoperatively

Mean ± SD in Trial GroupDifference Between Means (95% CI)
Epoetin Beta (n = 36)Placebo (n = 36)
 
Male/female (n) 28/8 28/8  —  
Age (yr) 54.3 ± 8.6 57.0 ± 8.8  −2.7 (−6.8-1.4) 
BW (kg) 79.1 ± 14.1 75.4 ± 11.7 3.7 (−2.4-9.8) 
Height (cm) 171.9 ± 8.8 170.3 ± 7.3 1.6 (−2.2-5.5) 
Blood volume (mL)* 4945.7 ± 822.5 4762.5 ± 699.4 183 (−178-544) 
LVEF (%) 53.9 ± 17.2 50.9 ± 14.5 3.0 (−4.8-10.9) 
Ischemia time (min) 46.6 ± 17.9 46.6 ± 16.0 0.0 (−8.0-8.1) 
CPB time (min) 78.4 ± 22.3 79.4 ± 18.6  −1.0 (11.1-9.1) 
Total blood loss (mL) 855 (595-1030) 695 (565-1050) 70 (−70-230) 
Physical status (%)ρ 
ASA II 5.5 11.1  —  
ASA III 94.5 88.9  —  
Mean ± SD in Trial GroupDifference Between Means (95% CI)
Epoetin Beta (n = 36)Placebo (n = 36)
 
Male/female (n) 28/8 28/8  —  
Age (yr) 54.3 ± 8.6 57.0 ± 8.8  −2.7 (−6.8-1.4) 
BW (kg) 79.1 ± 14.1 75.4 ± 11.7 3.7 (−2.4-9.8) 
Height (cm) 171.9 ± 8.8 170.3 ± 7.3 1.6 (−2.2-5.5) 
Blood volume (mL)* 4945.7 ± 822.5 4762.5 ± 699.4 183 (−178-544) 
LVEF (%) 53.9 ± 17.2 50.9 ± 14.5 3.0 (−4.8-10.9) 
Ischemia time (min) 46.6 ± 17.9 46.6 ± 16.0 0.0 (−8.0-8.1) 
CPB time (min) 78.4 ± 22.3 79.4 ± 18.6  −1.0 (11.1-9.1) 
Total blood loss (mL) 855 (595-1030) 695 (565-1050) 70 (−70-230) 
Physical status (%)ρ 
ASA II 5.5 11.1  —  
ASA III 94.5 88.9  —  
*

Calculated according to Nadler et al.15 

Median (interquartile range).

Hodges-Lehmann estimate.33 

ρ American Society of Anesthesiologists Classification System.