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Table 1 Univariate analysis between allogeneic blood transfusion group and non-transfusion group

From: Risk factors for blood transfusion in adolescent patients with scoliosis undergoing scoliosis surgery: a study of 722 cases in a single center

 

Non-Transfusion group

Transfusion group

Transfusion rate

P

Age (year)

14.4 ± 1.8

14.0 ± 2.0

 

0.013

BMI (kg/m2))

19.0 ± 3.4

18.5 ± 3.7

 

0.205

Gender, male/total (%)

128/485 (26.4%)

85/237 (35.9%)

 

0.009

Diagnosis, n(%)

485 (100%)

237 (100%)

 

0.000

Idiopathic, n(%)

308 (63.5%)

64 (27%)

17.2%

 

Congenital, n(%)

116 (23.9%)

108 (45.5%)

48.2%

 

Neurofibromatosis, n(%)

11 (2.3%)

17 (7.2%)

60.7%

 

Syndromic, n(%)

21 (4.3%)

35 (14.8%)

62.5%

 

Neuromuscular, n(%)

29 (6.0%)

13 (5.5%)

31.0%

 

Osteotomy pattern, n(%)

485 (100%)

237 (100%)

 

0.000

Fusion without osteotomy, n(%)

443 (91.3%)

152 (64.1%)

25.5%

 

Ponte osteotomy, n(%)

12 (2.5%)

18 (7.6%)

60%

 

Hemivertebrae resection, n(%)

19 (3.9%)

39 (16.5%)

67.2%

 

PSO, n(%)

9 (1.9%)

15 (6.3%)

62.5%

 

VCR, n(%)

2 (0.4%)

13 (5.5%)

86.7%

 

Cobb angle of major curve-preoperative, degree

53.5 ± 10.6

57.5 ± 11.5

 

0.108

Cobb angle of major curve-postoperative, degree

18.5 ± 9.0

16.5 ± 8.5

 

0.309

Major curve correction rate,%

62 ± 7.6

59.5 ± 6.4

 

0.205

Fusion segments

9.8 ± 2.7

11.6 ± 3.4

 

0.000

Preoperative HGB, g/L

136.2 ± 11.7

135.3 ± 14.0

 

0.356

Intraoperative Blood loss, mL

414.5 ± 235.6

839.4 ± 573.7

 

0.000

Intraoperative cell salvage, mL

200.9 ± 166.8

397.6 ± 323.7

 

0.000

HGB POD1, g/L

108.2 ± 15.0

111.1 ± 16.0

 

0.018

HGB POD3, g/L

102.7 ± 14.1

105.4 ± 14.9

 

0.041

HGB POD5, g/L

103.2 ± 13.9

105.8 ± 15.2

 

0.273