Table 1.

Interobserver κ values for agreement of the static and real time reading of US abnormalities in knee osteoarthritis

LesionStatic readingReal time reading
κ (SE)κ (SE)
Condrosynovial margin0,588 (0,180)0,588 (0,180)
Cartilage matrix0,732 (0,118)0,317 (0,143)
Osteochondral margin0,658 (0,148)0,251 (0,163)
Medial condyle osteophyte0,538 (0,176)0,412 (0,213)
Lateral condyle osteophyte0,792 (0,194)0,385 (0,228)
Medial tibial osteophyte0,865 (0,129)0,490 (0,96)
Lateral tibial osteophyte0,744 (0,236)0,432 (0,213)
Medial meniscal extrusion0,673 (0,204)0,704 (0,159)
Lateral meniscal extrusion0,633 (0,234)0,573 (0,185)
Baker's cyst0,714 (0,256)0,490 (0,960)