Table 2 Univariate Analysis and Multivariate Analysis Associated with Risk Factors for Blood Transfusion in patients with spinal tuberculosis
Variable | Univariable logistic regression analysis | Multivariable logistic regression analysis | ||||||
|---|---|---|---|---|---|---|---|---|
OR | 95% CI | P value | OR | 95% CI | P value | |||
| Â | Lower | Upper | Â | Â | Lower | Upper | Â | |
Surgical duration | 1.007 | 1.002 | 1.012 | 0.011 | 1.008 | 1.002 | 1.014 | 0.007 |
IBL | 1.001 | 1.000 | 1.001 | 0.025 | 1.001 | 1.000 | 1.002 | 0.012 |
Number of fused vertebrae | 1.513 | 1.019 | 2.247 | 0.040 | 2.034 | 1.261 | 3.280 | 0.004 |
Anticoagulant history | 2.553 | 1.143 | 5.702 | 0.022 | 3.281 | 1.296 | 8.306 | 0.012 |
Preoperative Hb | 0.962 | 0.931 | 0.994 | 0.020 | 0.954 | 0.918 | 0.991 | 0.015 |
Preoperative ALB | 0.918 | 0.848 | 0.993 | 0.033 | 0.908 | 0.831 | 0.992 | 0.032 |
Preoperative MCHC | 0.949 | 0.914 | 0.986 | 0.008 | 0.953 | 0.914 | 0.993 | 0.022 |