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. Author manuscript; available in PMC: 2022 Mar 1.
Published in final edited form as: J Orthop Res. 2020 Mar 20;39(3):671–679. doi: 10.1002/jor.24663

Table 2. Absolute and right-to-left SSD in neural foramen area for young controls, middle-aged controls, and arthrodesis groups.

Bolded values indicate significant right-left differences

Young Controls (mm2) Middle-Aged Controls (mm2) Arthrodesis (mm2)
C2/C3 Absolute 9.8 ± 5.9 10.0 ± 9.5 8.2 ± 5.7
Right-Left −1.6 ± 9.9 0.5 ± 11.6 −0.2 ± 13.9
C3/C4 Absolute 7.9 ± 5.7 7.9 ± 5.5 7.9 ± 7.9
Right-Left 0.9 ± 9.8 0.9 ± 9.7 2.2 ± 11.0
C4/C5 Absolute 6.9 ± 6.0 8.9 ± 7.8 9.9 ± 7.1
Right-Left −2.5 ± 8.9 4.3 ± 11.2 −1.0 ± 12.3
C5/C6 Absolute 8.8 ± 6.7 8.4 ± 8.3 7.9 ± 6.3
Right-Left 3.3 ± 10.4 1.7 ± 11.8 1.6 ± 10.0
C6/C7 Absolute 11.1 ± 8.3 9.0 ± 7.1 8.5 ± 6.5
Right-Left −0.0 ± 14.0 4.8 ± 10.6 3.5 ± 10.2