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Table 6 Comparison of average contact pressures in facet joints in extension

From: Biomechanical effects of hybrid constructions in the treatment of noncontinuous cervical spondylopathy: a finite element analysis

Segments

Contact pressures in models (Mpa)

P values

Intact

Group 1

Group 2

Intact versus Group 1

Intact versus Group 2

Group 1 versus Group 2

C2/3

1.87 ± 0.24

2.52 ± 0.33

2.13 ± 0.28

 < 0.001*

0.030*

0.007*

C4/5

2.09 ± 0.26

2.71 ± 0.35

2.70 ± 0.35

 < 0.001*

 < 0.001*

0.998

C6/7

2.05 ± 0.25

1.95 ± 0.25

2.69 ± 0.35

0.360

 < 0.001*

 < 0.001*

  1. Group 1, upper fusion and lower arthroplasty; Group 2, upper arthroplasty and lower fusion
  2. *Statistically significant difference
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Journal of Orthopaedic Surgery and Research

ISSN: 1749-799X