Table 8
Facetectomies used in TLIF
Pre-op lordosis (mean ± SD)
Post-op lordosis (mean ± SD)
Mean Change
p value
Unilateral
16.1 ± 10.4°
17.1 ± 9.5°
1.0 ± 2.9°
p=0.07
Bilateral
10.0 ± 9.5°
12.9 ± 9.6°
2.9 ± 4.5°
p<0.01