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Table 1 Demographic parameters and duration of surgery among different study groups

From: Acute normovolemic hemodilution in combination with tranexamic acid is an effective strategy for blood management in lumbar spinal fusion surgery

Parameters ANH (N = 30) TXA (N = 30) ANH + TXA (N = 30) Control (N = 30) Overall P value
Age, years 58.43 ± 10.99 59.77 ± 9.87 59.04 ± 10.07 60.02 ± 9.01 0.679
Gender (female: male) 14:16 13:17 16:14 15:15 0.294
Body weight, kg 60.12 ± 4.65 59.88 ± 3.98 61.65 ± 5.07 61.96 ± 5.35 0.109
Height, cm 171.10 ± 6.03 170.67 ± 5.97 172.02 ± 6.01 171.69 ± 5.89 0.410
BMI 21.98 ± 2.27 21.69 ± 1.99 22.02 ± 2.02 21.42 ± 1.92 0.757
Duration of surgery, min 189.64 ± 35.89 195.64 ± 37.19 200.16 ± 36.97 185.85 ± 35.19 0.578
Number of fused segments 2.38 ± 0.91 2.87 ± 1.01 3.11 ± 0.99 2.99 ± 1.12 0.428
Number of interbody fusion 1.28 ± 0.97 1.34 ± 1.02 1.61 ± 1.31 1.19 ± 1.13 0.356
  1. BMI body mass index, ANH Acute normovolemic hemodilution, TXA Tranexamic acid