Table 5.

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 each individual joint or joint group. Synovitis by sonography was defined as at least OMERACT grade 1 (ALG1) or as at least OMERACT grade 2 (ALG2) by B-mode imaging or by power Doppler imaging.

Clinical SynovitisALG1 Synovitis B-modeALG1 Synovitis Power DopplerALG2 Synovitis B-modeALG2 Synovitis Power Doppler
NoYesκNoYesκNoYesκNoYesκ
Elbowno1030.32130NA1120.44130NA
yes01100110
Shoulderno113NA140NA131NA140NA
yes00000000
Kneeno310–0.14130NA121–0.07130NA
yes10101010
PIPno30150.524220.044320.59450NA
yes2232321015250
MCPno18150.503030.412580.543300.18
yes2351819829307
Wristno330.39420.55510.44510.44
yes17173535
  • NA: not applicable; PIP: proximal interphalangeal joints; MCP: metacarpophalangeal joint; OMERACT: Outcome Measures in Rheumatology Clinical Trials.