Skip to main content

Table 4 Univariate analysis between the postoperative transfusion group and the nontransfusion group of 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

Parameters Transfusion group Non-Transfusion group P
Age 14.3 ± 1.8 14.5 ± 1.7 0.504
Gender,male/total(%) 17/205(8.3 %) 111/560(19.8 %) 0.000
BMI, kg/m2 18.0 ± 3.3 18.6 ± 3.0 0.018
Preoperative Hb, g/L 130.3 ± 11.5 136.8 ± 11.2 0.000
Preoperative Cobb angle, degree 48.9 ± 12.6 47.2 ± 10.6 0.055
Preoperative Hct(%) 38.7 ± 3.0 40.3 ± 2.9 0.949
Preoperative PLT,109/l 228.7 ± 52.7 232.4 ± 48.1 0.364
Preoperative INR 1.06 ± 0.07 1.05 ± 0.08 0.151
Preoperative PT, s 12.1 ± 0.9 12.0 ± 0.9 0.061
Preoperative APTT, s 32.4 ± 4.0 30.9 ± 4.0 0.983
Preoperative BUN, mmol/L 4.4 ± 1.1 4.4 ± 1.1 0.593
Preoperative SCR, µmol/L 47.2 ± 9.5 49.5 ± 10.0 0.536
ASA (I/II) 94/111 296/264 0.087
Segment number, n 10.7 ± 2.3 9.9 ± 2.5 0.028
Operation time, min 256.0 ± 63.3 247.9 ± 59.3 0.101
Pedicle screw number, n 15.6 ± 2.3 15.0 ± 2.7 0.010
Osteotomy, n(%) 30(14.6 %) 72(12.9 %) 0.549
Postoperative drainage, ml 545.3 ± 225.1 434.5 ± 181.6 0.009
Tranexamic acid, n(%) 22(10.7 %) 80(14.3 %) 0.230
Intraoperative blood loss, ml 997.6 ± 641.1 900.9 ± 555.9 0.057
HBL, ml 1005.9 ± 594.1 579.2 ± 358.7 0.000