Table 2: Blood Data for Hip Revision Study Patients

Characteristic Epoetin-α Control p-value
Average epoetin-α dose 40,000u 2.88* 0 Na
Epoetin-α effect on Hb (g/dL) 12.0 to 14.5 Na 0.002
Hb at Sg (g/dL) 14.0 12.0 <0.001
Hb on discharge (g/dL) 10.1 9.39 0.016
Transfusion (%) 17.6 71.9 <0.001
Average transfusion (mL) 333 335 0.981
Mean Total Blood Loss (mL) 1176 1047 0.424
Mean Hidden Blood Loss (mL) 1065 1178 0.534
Median Total Blood Loss (mL) 1118 1059 Na
Median Hidden Blood Loss (mL) 1064 1145 Na
Average transfused (mL) 333 335 0.981
Mean Estimated Blood Loss (mL) 189
Range:50-500cc
338
Range:50-850cc
0.019
Median Estimated Blood Loss (mL) 150 200

* Two of sixteen patients missed a preoperative dose for an unspecified reason.
Only pts with pre-injection CBC performed at our institution.