Table 2: Bivariate analysis of the FW/LE index < 10%
to predict foraminal decrease.
FW/LE index < 10%
OR (CI 95%)
p
Radiograph
Lateral
3.07 (1.43-6.58)
0.004
Flexion
3.59 (1.32-9.81)
0.013
Extension radiograph
4.01 (1.86-8.64)
< 0.0001
Magnetic resonance imaging
Left
0.195 (0.07-0.56)
0.002
Right
FW/LE = foraminal width/lower endplate.
CI95% = 95% confidence interval.