Table 3

Radiographic data at entry in the study

Joint space narrowing grade (0/1/2/3)2/11/11/24
Osteophyte grade (0/1/2/3)6/28/14/0
Joint space width (SD) (mm)1.80 (1.04)
Bone response (hypertrophic/atrophic/undefinable)38/6/4
Femoral head migration (superolateral/superointermediate/superomedial)29/12/7