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Table 4 Signs of inflammation on ultrasonography versus clinical joint assessment in finger joints

From: Ultrasonography of the metacarpophalangeal and proximal interphalangeal joints in rheumatoid arthritis: a comparison with magnetic resonance imaging, conventional radiography and clinical examination

Signs of inflammation US + clinical assessment US only Clinical assessment only Joints with no signs of inflammation on US or clinical assessment Number of joints examined Agreement: US versus clinical assessment (%)
MCP 2nd 23 12 3 22 60 45 (75)
MCP 3rd 20 10 5 25 60 45 (75)
MCP 4th 8 11 2 39 60 47 (78)
MCP 5th 8 16 2 34 60 42 (70)
PIP 2nd 13 13 1 33 60 46 (77)
PIP 3rd 13 11 3 33 60 46 (77)
PIP 4th 12 7 1 40 60 52 (87)
PIP 5th 6 11 1 42 60 48 (80)
Total 103 91 18 268 480 371 (77)
  1. The number of examined joints is higher than in the other tables because ultrasonography and clinical examination were performed on all finger joints, whereas MRI data were not available in 47 joints. All study participants included. Ultrasonography detecting signs of synovitis and/or joint effusion. Clinical joint assessment detecting swelling and/or tenderness. MCP, metacarpophalangeal; PIP, proximal interphalangeal; US, ultrasonography.