Table 4 Risk Factors for Postoperative Blood Transfusion in Patients Undergoing HTO Surgery
From: Re-evaluating the necessity of routine laboratory tests after high tibial osteotomy surgery
Risk factor | odds ratio | 95 % confidence interval | P value |
|---|---|---|---|
Sex | 2.819 | 0.339–23.453 | 0.338 |
BMI | 0.584 | 0.404–0.845 | 0.004 |
Preoperative hb level | 1.205 | 1.096–1.325 | p < 0.001 |
Estimated blood loss | 0.991 | 0.986–0.996 | p < 0.001 |
Operative time | 0.976 | 0.955–0.997 | 0.024 |