Skip to main content

Table 5 COR mean values pre- and post-op after implantation of a Discover 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 8.2 − 1.8 9.9 − 8.0
SD 3.2 2.6 3.8 3.0 3.3 14.3
p    0.031 0.542 0.002 0.079
C5/6 Mean 4.8 − 4.0 7.7 − 4.6 9.9 − 6.5
SD 2.8 3.1 2.3 4.8 3.3 4.6
p    0.011 0.721 0.000 0.118
C4/5 Mean 4.8 − 3.8 7.0 − 3.9 9.0 − 7.4
SD 2.3 3.7 4.4 8.0 6.9 3.8
p    0.117 0.988 0.039 0.030
C3/4 Mean 4.8 − 5.8 5.8 − 9.8 9.8 − 8.7
SD 2.3 5.6 3.4 4.7 3.5 6.1
p    0.419 0.076 0.000 0.234