Table 6.
Methods of Blood Conservation
|
Procedure |
Group A n = 250 |
Group B n = 250 |
P |
|---|---|---|---|
| 1998-2003 | 2003-2012 | ||
| Retro-priming |
0 |
250 |
<0.001 |
| Erythropoietin |
0 |
203 |
<0.001 |
| Extra-corporal mini-circulation | 0 | 152 | <0.001 |
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