Table 2.

Weighted kappa measurements indicating variation in visual scores of disease change on CT between the pairs of radiologist scorers

Visual CT variable	Cohort 1	Cohort 2
ILD change	0.87	0.87
Ground-glass opacity change	0.79	0.65
Reticular pattern change	0.83	0.80
Honeycombing change	0.64	0.70
Traction bronchiectasis change	0.81	0.66

Separate pairs of scorers evaluated CTs of patients with idiopathic pulmonary fibrosis in each cohort.

ILD, interstitial lung disease.