Table1 Patients demographics

Total patients (n)

146

Sex (n)

Male

106

Female

40

Age, yr

42.31 ± 7.90

BMI, kg/m2

25.33 ± 3.13

Muscle thickness, mm

31.61 ± 7.84

Subcutaneous fat thickness, mm

19.84 ± 6.19

Muscle thickness/Subcutaneous fat thickness

1.64 ± 0.26

Smoking (n)

35

Drinking (n)

17

Diabetes mellitus (n)

10

Hypertension (n)

13

Low immunity(n)

3

Using hormones(n)

8

Combining with other fractures(n)

20

Fracture classification(n)

A1

87

A2

23

A3

36

Preoperative HCT,%

38.23 ± 4.41

Postoperative HCT,%

35.18 ± 4.51

PBV, L

4.87 ± 0.71

TBL, ml

403.45 ± 182.25

VBL, ml

239.45 ± 130.17

VHL, %

45.58 ± 11.08

VHR, %

23.43 ± 9.47

Numbers of fractured vertebrae

1.18 ± 0.45

Numbers of fixed vertebral segments

3.03 ± 0.66

Hospital stay, d

12.28 ± 2.64

Surgical duration, min

120.14 ± 34.06

Preoperative Hb, g/l

124.86 ± 14.36

Postoperative Hb, g/l

103.92 ± 13.67

PT, s

11.46 ± 1.22

APTT, s

32.90 ± 6.18

TT, s

17.65 ± 1.25

Fibrinogen, g/l

3.37 ± 0.80

PLT, 109 /l

260.33 ± 66.39