Table 4.

Agreement between presence of clinical swelling according to at least 4 of 7 clinical examiners and presence of synovitis according to at least 4 of 7 sonographers for all 28 joints. Synovitis by sonography was defined as at least OMERACT grade 1 (ALG1) or OMERACT grade 2 (ALG2) by B-mode imaging or by power Doppler imaging.

Clinical SynovitisB-modePower DopplerB-mode and Power Doppler
NoYesNoYesNoYes
At least ALG1
  No754911671167
  Yes66644284527
  κ0.460.370.36
At least ALG2
  No1091512311231
  Yes225060126012
  κ0.580.190.19
  • OMERACT: Outcome Measures in Rheumatology Clinical Trials.