Table 2 Numbers and percentages of the discs distribution according to the mentioned grading system (n = 678)
|  | C2–3 (n, %) | C3–4 (n, %) | C4–5 (n, %) | C5–6 (n, %) | C6–7 (n, %) | C7–T1 (n, %) |
|---|---|---|---|---|---|---|
The grading of Pfirrmann | ||||||
I | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 0 (0) |
II | 41 (6.05) | 26 (3.83) | 27 (3.98) | 15 (2.21) | 20 (2.95) | 69 (10.18) |
III | 53 (7.82) | 68 (10.03) | 52 (7.67) | 50 (7.37) | 64 (9.44) | 34 (5.01) |
IV | 19 (2.80) | 18 (2.65) | 31 (4.57) | 36 (5.31) | 25 (3.69) | 9 (1.33) |
V | 0 (0) | 1 (0.15) | 3 (0.44) | 12 (1.77) | 4 (0.60) | 1 (0.15) |
The grading of Miyazaki | ||||||
I | 2 (0.29) | 3 (0.44) | 0 (0) | 1 (0.15) | 11 (1.62) | 22 (3.24) |
II | 50 (7.37) | 32 (4.72) | 34 (5.01) | 22 (3.24) | 25 (3.69) | 62 (9.14) |
III | 51 (7.52) | 57 (8.41) | 49 (7.23) | 43 (6.34) | 44 (6.49) | 22 (3.24) |
IV | 10 (1.47) | 21 (3.10) | 24 (3.54) | 36 (5.31) | 25 (3.69) | 4 (0.59) |
V | 0 (0) | 0 (0) | 6 (0.88) | 11 (1.62) | 8 (1.18) | 0 (0) |
The grading of modified Thompson | ||||||
0 | 13 (1.92) | 11 (1.62) | 8 (1.18) | 6 (0.88) | 11 (1.62) | 42 (6.19) |
I | 97 (14.31) | 71 (10.47) | 53 (7.82) | 34 (5.01) | 55 (8.11) | 60 (8.85) |
II | 3 (0.44) | 29 (4.28) | 44 (6.49) | 58 (8.55) | 38 (5.60) | 10 (1.47) |
III | 0 (0) | 2 (0.29) | 8 (1.18) | 15 (2.21) | 9 (1.33) | 1 (0.15) |
The grading of Nakashima | Â | Â | Â | Â | Â | Â |
I | 30 (4.42) | 20 (2.95) | 16 (2.36) | 11 (1.62) | 13 (1.92) | 52 (7.67) |
II | 73 (10.77) | 76 (11.21) | 72 (10.62) | 53 (7.82) | 66 (9.73) | 68 (10.03) |
III | 10 (1.47) | 17 (2.51) | 25 (3.69) | 43 (6.34) | 32 (4.72) | 3 (0.44) |
IV | 0 (0) | 0 (0) | 0 (0) | 6 (0.88) | 2 (0.29) | 0 (0) |
Modic changes | Â | Â | Â | Â | Â | Â |
I | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 0 (0) |
II | 0 (0) | 1 (0.15) | 0 (0) | 1 (0.15) | 0 (0) | 0 (0) |
III | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 0 (0) |
HIZ in the cervical spine | Â | Â | Â | Â | Â | Â |
No | 113 (16.67) | 112 (16.52) | 110 (16.22) | 101 (14.90) | 104 (15.34) | 113 (16.67) |
Yes | 0 (0) | 1 (0.15) | 3 (0.44) | 12 (1.77) | 9 (1.33) | 0 (0) |