Table 2 Basic clinical information and spinal location distribution of CSM patients and volunteers included in the matched case-control study
Group | Location | Subject (n) | Age (years, mean±SD) | Sex (n)a |
|---|---|---|---|---|
CSM | C2–C3 | 0 | / | / |
C3–C4 | 6 | 56.67 ± 11.02 | 4 M and 2 F | |
C4–C5 | 16 | 55.00 ± 15.60 | 10 M and 6 F | |
C5–C6 | 26 | 49.08 ± 11.31 | 16 M and 10 F | |
C6–C7 | 8 | 54.63 ± 12.60 | 5 M and 3 F | |
Volunteers | C2–C3 | 0 | / | / |
C3–C4 | 6 | 54.17 ± 11.92 | 4 M and 2 F | |
C4–C5 | 16 | 51.63 ± 9.37 | 9 M and 7F | |
C5–C6 | 26 | 49.03 ± 10.91 | 12 M and 14 F | |
C6–C7 | 8 | 52.88 ± 5.82 | 5 M and 3 F |