Table 9 Cutoff Values of Risk Factors for Patients Requiring Postoperative Clinical Treatment
From: Re-evaluating the necessity of routine laboratory tests after high tibial osteotomy surgery
Treatment | Risk factors | Cut-off value | Sensitivity | Specificity | AUC | p |
|---|---|---|---|---|---|---|
Transfusion | BMI | 23.15 | 89.5% | 55.3% | 0.770 | <0.001 |
Preoperative hb level | 112.5 | 78.9% | 97.0 % | 0.947 | <0.001 | |
Estimated blood loss | 225 | 89.5% | 81.2 % | 0.888 | <0.001 | |
Operative time | 164.5 | 63.2% | 81.4% | 0.669 | 0.003 | |
Albumin | Female gender | - | - | - | 0.669 | 0.010 |
Preoperative albumin level | 38.95 | 95.0% | 76.4 % | 0.879 | <0.001 | |
Potassium | Preoperative potassium | 3.45 | 41.2% | 97.4% | 0.707 | 0.004 |