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Table 3 Univariate analysis between allogeneic blood transfusion group and non-transfusion group in idiopathic scoliosis

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

  Non-transfusion group Transfusion group P
Age (year) 14.7 ± 1.7 14.7 ± 1.8 0.803
BMI (kg/m2)) 18.8 ± 3.1 18.9 ± 3.9 0.928
Gender, male/total (%) 54/308 15/64 0.269
Osteotomy pattern, n(%) 308 (100%) 64 (100%) 0.000
Fusion without osteotomy, n(%) 304 (98.7%) 57 (89.1%)  
Ponte osteotomy, n(%) 4 (1.3%) 7 (10.9%)  
Cobb angle of major curve-preoperative, degree 57.5 ± 11.5 59.5 ± 12.5 0.068
Cobb angle of major curve-postoperative, degree 13.5 ± 6.0 12.5 ± 5.5 0.189
Major curve correction rate, % 72.0 ± 9.5 74.5 ± 8.4 0.091
Fusion segments 9.6 ± 2.7 12.1 ± 2.6 0.000
Preoperative HGB, g/L 134.9 ± 11.7 133.3 ± 17.1 0.366
Intraoperative Blood loss, mL 400.2 ± 243.9 713.6 ± 394.1 0.000
Intraoperative cell salvage, mL 190.7 ± 165.8 358.6 ± 246.6 0.000
HGB POD1, g/L 107.6 ± 14.4 109.2 ± 19.3 0.452
HGB POD3, g/L 102.3 ± 13.7 104.6 ± 15.2 0.335
HGB POD5, g/L 102.4 ± 15.1 107.5 ± 11.8 0.268