Table 2

Interobserver concordance in the two US rounds

US abnormalityWeighted κ coefficients95% CI
B-mode tenosynovitis, round 10.470.43 to 0.50
B-mode tenosynovitis, round 20.450.41 to 0.48
PD signal, round 10.640.61 to 0.67
PD signal, round 20.650.62 to 0.68
  • PD, power Doppler; US, ultrasound.