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Table 2 Pre-operative demographic data between two groups

From: Does local vancomycin powder impregnated with autogenous bone graft and bone substitute decrease the risk of deep surgical site infection in degenerative lumbar spine fusion surgery?—An ambispective study

 

Vancomycin (V)

Non-Vancomycin (NV)

P value

No. of Patients

110

86

 

Mean Age at Op. (years)

73.7 ± 9.8 (49–82)

72.5 ± 10.6 (55–81)

0.413

Body Mass Index (BMI)

21.8 ± 3.5 (15.9–32.9)

22.2 ± 3.8 (16.7–34.6)

0.445

Gender

  

0.689

 Male

48

40

 

 Female

62

46

 

Pathologic Lesions

  

0.927

 2 levels

36

27

 

 3 levels

58

47

 

 4 levels

16

12

 

Co-morbidities

  

0.577

 Diabetes mellitus

23

14

 

 BMI > 30

2

3

 

 Rheumatoid arthritis

0

1

 

 Steroid Used

5

4

 

 Smoker

26

14

 

Functional Outcomes

 Visual analogue scale over back

4.2 ± 2.1(2–8)

4.3 ± 2.4 (1–8)

0.746

 Visual analogue scale over leg

5.0 ± 1.6 (4–7)

4.9 ± 1.8 (4–8)

0.682

 Oswestry Disability Index (ODI)

54.8 ± 12.6 (38–70)

55.7 ± 13.3(24–74)

0.629

Mean follow-up times (months)

38.3 ± 6.2 (36–48)

53.1 ± 5.7(48–60)

0.000

  1. All numbers were presented with mean ± standard deviation (range), with the range in parentheses