TABLE 1.
Degeneration Grades | Sex | Disc Levels | Total | |||||
---|---|---|---|---|---|---|---|---|
Male | Female | L1–L2 | L2–L3 | L3–L4 | L4–L5 | L5–S1 | ||
1 | 87 | 71 | 30 | 30 | 38 | 32 | 28 | 158 |
2 | 54 | 54 | 25 | 29 | 20 | 16 | 18 | 108 |
3 | 20 | 17 | 8 | 4 | 4 | 9 | 12 | 37 |
4 | 8 | 3 | 0 | 0 | 1 | 5 | 5 | 11 |
5 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 1 |
Total | 170 | 145 | 63 | 63 | 63 | 63 | 63 | 315 |