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Table 2 Multivariate analysis of independent risk factors associated with allogeneic blood transfusion

From: Risk factors for blood transfusion in adolescent patients with scoliosis undergoing scoliosis surgery: a study of 722 cases in a single center

factors Odds ratio 95%CI P
Diagnosis    0.001
 Idiopathic 1 1  
 Congenital 1.716 0.985–2.991 0.057
 Neurofibromatosis 5.592 2.065–15.144 0.001
 Syndromic 3.029 1.434–6.396 0.004
 Neuromuscular 1.048 0.418–2.629 0.920
Osteotomy    0.000
 Fusion without osteotomy 1 1  
 Ponte osteotomy 5.997 2.266–15.872 0.000
 Hemivertebrae resection 29.171 9.491–89.658 0.000
 PSO 8.712 1.449–52.368 0.018
 VCR 32.265 3.673–283.462 0.002
Gender
 Male 1 1  
 Female 1.474 0.873–2.489 0.147
Age 0.881 0.781–0.994 0.040
Fusion segments 1.224 1.115–1.345 0.000
Intraoperative Blood loss 1.004 1.002–1.005 0.000
Intraoperative cell salvage 0.998 0.997–1.000 0.097