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Table 2 Inter-and intra-observer agreement data for simplified US B-lines assessment

From: Utility of a simplified ultrasound assessment to assess interstitial pulmonary fibrosis in connective tissue disorders - preliminary results

  Inter-observer Intra-observer
Anatomical lines weighted kappa values for the semiquantitative system weighted kappa values for the semiquantitative system
2 nd para-sternal LIS 0.885 0.864
4 th mid-clavear LIS 0.836 0.881
4 th anterior axillary LIS 0.863 0.868
4 th mid-axillary LIS 0.812 0.845
8 th paravertebral LIS 0.769 0.894
8 th sub-scapular LIS 0.828 0.883
8 th posterior axilary LIS 0.864 0.862
  1. Agreement between both sonographers on both the comprehensive simplified US assessment.