Official Journal of the Italian Society of Orthopaedics and Traumatology
Table 1 Cervical degenerative index (CDI) factor scoring
Factor | CDI score | |||
|---|---|---|---|---|
0 | 1 | 2 | 3 | |
Disc space narrowing (%) | None–25 | 25–50 | 50–75 | 75–100 |
Sclerosis | None | Minimal | Moderate | Severe |
Osteophytes | None | Small, <2 mm | Moderate, 2–4 mm | Large, >4 mm |
Olisthesis | None | <3 mm | 3–5 mm | >5 mm |