Fig. 1From: Musculoskeletal ultrasound as a screening-tool for rheumatoid arthritis: results of the “Rheuma-Truck” screening and awareness initiativeGrading of osteophytes. Grading of OA signs in the longitudinal section plane: Grade III (severe) was defined as at least two osteophytes (a, b); Grade II (moderate) was defined as the availability of isolated small osteophytes (c, d); Grade I (discrete) was as uneven joint surface (e, f)Back to article page