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Table 4 Comparison of average forces in facet joints at different intervertebral levels in extension

From: Biomechanical comparison of noncontiguous cervical disc arthroplasty and noncontiguous cervical discectomy and fusion in the treatment of noncontinuous cervical degenerative disc disease: a finite element analysis

Segments

Contact forces in models (N)

P values

Intact

Arthroplasty

Fusion

Intact vs arthroplasty

Intact vs fusion

Arthroplasty vs fusion

C2/3

69.25 ± 6.73

57.95 ± 7.38

104.42 ± 10.10

0.010

< 0.001

< 0.001

C4/5

77.03 ± 6.46

79.54 ± 9.51

116.64 ± 8.72

0.572

< 0.001

< 0.001

C6/7

75.70 ± 6.46

79.86 ± 7.37

100.16 ± 8.91

0.281

< 0.001

< 0.001

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Journal of Orthopaedic Surgery and Research

ISSN: 1749-799X