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Table 1 Baseline characteristics of surgical patients with or without the use of TXA during surgery

From: Use of Tranexamic Acid (TXA) on reducing blood loss during scoliosis surgery in Chinese adolescents

Demographics Tranexamic acid P
  TXA (N = 55) Control (N = 35)  
Age    
 Mean ± SD (Range) 15.16 ± 2.61 (10–21) 15.31 ± 2.97 (11–23) 0.80
  ≥ 12 11 (20.0) 4 (11.4) 0.32
 13–14 13 (23.6) 15 (42.9)  
 15–16 11 (20.0) 4 (11.4)  
 17–18 15 (27.3) 8 (22.9)  
  ≥ 19 5 (9.1) 4 (11.4)  
Max major curve (Pre-op) 73.42 ± 11.75 63.23 ± 17.20 <0.01
Body weight (kg)    
 Pre-op 45.25 ± 8.96 42.88 ± 7.76 0.20
 Post-op 44.49 ± 8.14 43.39 ± 8.88 0.65
Armspan (cm)    
 Pre-op 157.04 ± 8.99 158.32 ± 9.83 0.54
 Post-op 156.04 ± 9.40 158.79 ± 9.23 0.35
Body height (cm)    
 Pre-op 154.01 ± 9.33 155.36 ± 7.70 0.48
 Post-op 156.83 ± 9.88 157.76 ± 8.82 0.73
BMI (kg/m2)    
 Pre-op 19.03 ± 3.53 17.76 ± 3.00 0.08
 Post-op 18.07 ± 2.77 17.47 ± 3.28 0.48
Number of segments fused 13.51 ± 1.62 12.14 ± 2.79 0.01
Number of pedicle screws inserted 16.15 ± 2.17 16.29 ± 4.34 0.87
Bone graft    
 Allograft 1 (2.0) 8 (28.6) <0.01
 Autograft/Both 49 (98.0) 20 (71.4)  
 Unknown 5 7  
Length of surgery 436.71 ± 122.53 502.14 ± 85.81 <0.01
  1. TXA tranexamic acid used, Control none used