Table 2: Foramen parameters include height, width, mid-disc width, and CSA. All metrics are presented as mean ± standard deviation in millimeters. The unitless calculated metric of foramen mid-disc width divided by foramen width (MDW/W) is also presented. In addition to foraminal measurements, TLF, disc bulge, and anterior (ADH) and posterior (PDH) disc heights are also presented in millimeters. Disc width and vertebral body height and width are presented in millimeters. Two-factor ANOVA P values are presented for spinal level (SL) and group (G), with significant differences italicized