| L2 | L3 | L4 | L5 | ||||
---|---|---|---|---|---|---|---|---|
Up (n = 1) | Down (n = 1) | Up (n = 4) | Down (n = 9) | Up (n = 8) | Down (n = 9) | Up (n = 0) | Down (n = 1) | |
Resection range rate of facet jointa | 0.17 | 0.22 | 0.21 ± 0.04 | 0.31 ± 0.06 | 0.29 ± 0.10 | 0.36 ± 0.11 | NA | 0.42 |
Resection range rate of facet jointb | 0.20 | 0.18 | 0.28 ± 0.05 | 0.26 ± 0.05 | 0.32 ± 0.09 | 0.28 ± 0.05 | NA | 0.36 |
Resection range rate of pedicle | 0.19 | 0.25 | 0.22 ± 0.05 | 0.29 ± 0.08 | 0.34 ± 0.03 | 0.40 ± 0.07 | NA | 0.45 |
Resection volume rate of facet jointa | 0.20 | 0.23 | 0.23 ± 0.06 | 0.33 ± 0.09 | 0.31 ± 0.08 | 0.38 ± 0.09 | NA | 0.41 |
Resection volume rate of facet jointb | 0.24 | 0.21 | 0.30 ± 0.09 | 0.28 ± 0.07 | 0.35 ± 0.08 | 0.32 ± 0.05 | NA | 0.35 |
Resection volume rate of pedicle | 0.17 | 0.27 | 0.29 ± 0.10 | 0.34 ± 0.11 | 0.31 ± 0.12 | 0.43 ± 0.08 | NA | 0.46 |