Grades 0 | 1 | ≥2 | |
---|---|---|---|
Anterior-posterior view; K&L score (grades), n | 36 | 13 | 1 |
Anterior-posterior view; features, n | |||
Joint-space narrowing | 38 | 11 | 1 |
Femoral osteophytes | 47 | 3 | 0 |
Tibial osteophytes | 38 | 10 | 2 |
Tibial sclerosis | 48 | 2 | 0 |
Femoral sclerosis | 49 | 1 | 0 |
Tibial attrition | 50 | 0 | NA |
Tibial spiking | 16 | 34 | NA |
Lateral view; features, n | |||
Patellofemoral osteophytes | 36 | 12 | 2 |
Skyline view; features, n | |||
Patellofemoral osteophytes | 33 | 16 | 1 |
Patellofemoral joint space narrowing | 45 | 4 | 1 |
Patellar sclerosis | 50 | 0 | 0 |
Tibiofemoral joint, anterior-posterior view; patellofemoral joint, lateral and skyline view.
K&L, Kellgren & Lawrence; N, number of participants.