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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