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Table 5 The analysis of risk factors for L4/5 and L5S1 facet joints

From: Risk factor analysis of disc and facet joint degeneration after intersegmental pedicle screw fixation for lumbar spondylolysis

 

L4/5

L5S1

Degeneration

No change

 

p value

Degeneration

No change

 

p value

Age (y)

26.29 ± 5.38

22.23 ± 4.24

2.278

0.027*

23.22 ± 4.82

22.67 ± 4.56

0.331

0.742

BMI

23.37 ± 0.59

22.72 ± 1.06

1.572

0.122

23.49 ± 0.81

22.67 ± 1.03

2.225

0.030*

Fixed time (m)

25.86 ± 8.86

15.72 ± 4.98

4.495

0.000*

25.56 ± 4.67

15.33 ± 5.39

5.297

0.000*

Vertebral slip (no.)

  

0.000

1.000

  

1.922

0.166

Yes

3

17

  

1

19

  

No

4

30

  

8

26

  

Facet grade pre-operation

  

0.614

0.852

  

3.569

0.389

Grade 4

1

13

  

1

10

  

Grade 3

5

27

  

4

17

  

Grade 2

1

7

  

3

10

  

Grade 1

0

0

  

1

8

  

Grade 0

0

0

  

0

0

  

Disc grade pre-operation

  

2.934

0.317

  

6.404

0.145

Grade 1

1

11

  

1

12

  

Grade 2

2

26

  

6

16

  

Grade 3

2

7

  

0

12

  

Grade 4

2

7

  

2

4

  

Grade 5

0

0

  

0

1

  
  1. BMI, Body Mass Index
  2. *Test was considered statistically significant at p < 0.05
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Journal of Orthopaedic Surgery and Research

ISSN: 1749-799X