From: More anterior bone loss in middle vertebra after contiguous two-segment cervical disc arthroplasty
FU period
SV
MV
IV
P
Early FU
24 (30.8%)
48 (61.5%*)
28 (35.9%)
< 0.001
Last FU
26 (33.3%)
54 (69.2%#)
34 (43.6%)