Table 3 Fourteen-point scale used to grade the features of osteoarthritis and related radiographic signs

Peri-articular osteophytes, proximal tibia

Osteophytes, tibial plate

Apical patellar osteophytes

Basilar patellar osteophytes

Synovial volume (changes in the shape of the intrapatellar fat pad)

Peri-articular osteophytes, femoral trochlea

Distal femoral condylar remodeling

Peri-articular osteophytes, fabellae, lateral and medial gastrocnemius and popliteal sesamoids

Cranial apical patellar entesiopathy

Periarticular osteophytes, cranio-proximal tibial

Periarticular osteophytes, caudo-proximal tibial

Tibial condylar region remodelling