Table 7
Mean ROM for patients with each osteophyte rating by interval
Osteophyte rating
Mean ROM
Preoperatively
6 mo
12 mo
24 mo
None
8.6°
5.3°
4.2°
4.7°
Mild
7.9°
5.3°
4.5°
4.8°
Moderate
5.9°
3.9°
3.6°
4.1°
Severe
12.2°
5.4°
2.9°
3.9°