Table 2 Comparison the two groups of blood loss
Parameters | Extramedullary fixation | Intramedullary fixation | T or X2 value | P value |
|---|---|---|---|---|
Sample number (n) | 92 | 106 | — | — |
Weight(kg) | 60.56 ± 5.82 | 59.49 ± 5.56 | 1.33 | 0.1 |
Height(m) | 1.64 ± 0.73 | 1.64 ± 0.7 | 0.07 | 0.95 |
Hematocrit, preop | 0.326 ± 0.053 | 0.316 ± 0.049 | 1.45 | 0.15 |
Hemoglobin, preop (g/dl) | 107.87 ± 18.37 | 104.82 ± 16.78 | 1.2 | 0.22 |
Total blood loss(ml) | 663.91 ± 389.32 | 859.43 ± 411.07 | 3.42 | 0.001* |
Observed blood loss(ml) | 135.54 ± 36.48 | 138.92 ± 37.69 | 0.64 | 0.5 |
Hidden blood loss(ml) | 528.37 ± 386.91 | 720.51 ± 408.91 | 3.38 | 0.001* |
Blood transfusion rate | 12(13.04%) | 30(28.30%) | 5.232 | 0.022* |