Table 2 Cephalad adjacent segment degeneration–CBT Group VS. PS Group
Variable | Pre-operative | 6 months FU | Last FU | |||
|---|---|---|---|---|---|---|
mean ± SD | mean ± SD | p Value | mean ± SD | p Value | ||
CBT Group N = 74 | ISH (mm) | 11.52 ± 2.37 | 11.44 ± 1.94 | 0.53 | 11.20 ± 1.82 | 0.00 |
FH (mm) | 20.85 ± 2.95 | 20.41 ± 2.57 | 0.24 | 20.16 ± 2.43 | 0.00 | |
FW (mm) | 11.88 ± 2.73 | 11.91 ± 2.67 | 0.86 | 11.40 ± 2.58 | 0.02 | |
ROM (°) | 11.63 ± 1.92 | 11.99 ± 1.62 | 0.15 | 12.52 ± 2.01 | 0.03 | |
PS Group N = 114 | ISH (mm) | 12.08 ± 1.58 | 11.15 ± 1.79 | 0.00 | 10.60 ± 1.92 | 0.00 |
FH (mm) | 20.56 ± 4.17 | 19.35 ± 2.82 | 0.00 | 18.40 ± 2.81 | 0.00 | |
FW (mm) | 12.42 ± 2.12 | 11.26 ± 1.69 | 0.00 | 10.11 ± 2.00 | 0.00 | |
ROM (°) | 12.05 ± 2.21 | 12.93 ± 1.90 | 0.00 | 14.75 ± 1.53 | 0.00 | |