Fig. 2

Mean synovitis scores for replaced joints, operated joint areas (OJA), and native joints. From baseline to final visit (N = 16 patients). Panel (a) measures the change in mean Power Doppler ultrasound (PDUS) scores over time. Panel (b) depicts the change in mean grayscale ultrasound (GSUS) scores over time. Legend: replaced joints (••■••), OJA (—▲—), and native joints (—●—)