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Table 5 Results of binary logistic regression analysis for postoperative transfusion in scoliosis corrective surgery patients

From: Hidden blood loss in adolescent idiopathic scoliosis patients undergoing posterior spinal fusion surgery: a retrospective study of 765 cases at a single centre

Variables β SE P OR 95 %CI
Gender 1.347 0.319 0.021 3.845 2.056–7.192
Segment number> 11 0.569 0.221 0.010 1.766 1.145–2.724
BMI > 16.7 kg/m2 −0.241 0.215 0.262 0.786 0.516–1.198
Preoperative Hb> 128 g/L −1.065 0.213 < 0.001 0.345 0.227–0.523
Pedicle screw number> 14 −0.189 0.243 0.436 0.828 0.514–1.333
Postoperative drainage> 425 ml 0.978 0.211 < 0.001 2.658 1.759–4.017
HBL > 850 ml 2.180 0.208 < 0.001 8.845 5.806–13.290