Table 3

Sensitivity and specificity of ultrasonography with MRI as the reference method in erosive osteoarthritis

Ultrasound sensitivityUltrasound specificity
Bone erosions
 PIP6287
 DIP72100
Osteophytes
 PIP8959
 DIP8450
Synovitis
 PIP10090
 DIP3196
Effusion
 PIP8540
 DIP7964
  • Numbers shown are percentages.

  • DIP, distal interphalangeal; PIP, proximal interphalangeal.