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Table 2 Ultrasonographic findings in study participants

From: Musculoskeletal ultrasound in symptomatic thumb-base osteoarthritis: clinical, functional, radiological and muscle strength associations

Population, n 93
Synovitis, n (%)
 0 41 (44.1)
 I 36 (38.7)
 II 16 (17.2)
 III 0
 Power Doppler, n (%) 13 (14.0)
Osteophyte, n (%)
 0 0
 I 3 (3.2)
 II 25 (26.9)
 III 65 (69.9)
Erosion on ultrasound, n (%) 2 (2.2)