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Table 2 Univariate Analysis and Multivariate Analysis Associated with Risk Factors for Blood Transfusion in patients with spinal tuberculosis

From: Development and validation of a novel predictive model and web calculator for evaluating transfusion risk after spinal fusion for spinal tuberculosis: a retrospective cohort study

Variable Univariable logistic regression analysis Multivariable logistic regression analysis
OR 95% CI P value OR 95% CI P value
  Lower Upper    Lower Upper  
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
  1. OR Odds ratio, 95% CI 95% Confidence interval.