Table 3—

Weighted kappa coefficients(κw) between histology reviewers D and E#

Mean κw (95% CI)
Total0.30 (0.12–0.48)
Thoracic HRCT: UIP
 Absent0.84 (0.55–1.14)
 Present0.16 (-0.03–0.36)
 <60% pred0.33 (0.05–0.61)
 >60% pred0.28 (0.06–0.50)
  • CI: confidence interval; HRCT: high-resolution computed tomography; UIP: usual interstitial pneumonia; FVC: forced vital capacity; % pred: % predicted. #: each reviewer (D and E) scored the open lung biopsy or thoracoscopic lung biopsy specimens as unlikely, probable or very suggestive for the diagnosis of UIP.