Association of systemic BMD with presence of baseline SBA and incident SBA in the tibiofemoral joint
| Presence of baseline SBA (1253 knees) | Incident SBA (1185 knees) | |||
|---|---|---|---|---|
| N/total | Adjusted OR (95% CI) | N/total | Adjusted OR (95% CI) | |
| Systemic BMD | ||||
| Lowest tertile | 126/416 | 1.0 (ref) | 55/399 | 1.0 (ref) |
| Middle tertile | 131/419 | 1.1 (0.8 to 1.5) | 58/400 | 1.1 (0.7 to 1.6) |
| Highest tertile | 159/418 | 1.5 (1.1 to 2.1)* | 75/386 | 1.6 (1.1 to 2.3)* |
↵* p<0.05.
BMD, bone mineral density; OR, odds ratio; SBA, subchondral bone attrition.