Skip to main content

Table 3 COR mean values pre- and post-op: all patients—irrespective of implanted prosthesis—compared with COR in healthy volunteers (COR-HV)

From: In cervical arthroplasty, only prosthesis with flexible biomechanical properties should be used for achieving a near-physiological motion pattern

Segment

COR-HV

COR pre-op

COR post-op

x

y

x

y

x

y

C6/7

Mean

4.9

− 1.1

7.9

− 5.1

7.7

− 4.1

SD

3.2

2.6

4.5

9.2

7.0

13.2

p

  

0.029

0.115

0.146

0.397

C5/6

Mean

4.8

− 4.0

6.9

− 5.9

8.3

− 5.2

SD

2.8

3.1

4.4

4.7

3.6

5.3

p

  

0.097

0.179

0.002

0.443

C4/5

Mean

4.8

− 3.8

6.9

− 5.7

7.1

− 7.6

SD

2.3

3.7

3.6

6.2

4.8

3.2

p

  

0.055

0.305

0.099

0.001

C3/4

Mean

4.8

− 5.8

7.8

− 8.6

7.5

− 8.3

SD

2.3

5.6

4.9

5.6

4.1

7.4

p

  

0.035

0.123

0.026

0.248