Prognosis of pulmonary fibrosis presenting with a usual interstitial pneumonia pattern on computed tomography in patients with myeloperoxidase anti-neutrophil cytoplasmic antibody-related nephritis: a retrospective single-center study

Table 1 Chest CT findings in patients with ANCA nephritis (n = 126) and concordance among three observers

CT pattern	Observer 1	Observer 2	Observer 3	After discussion
UIP or probable UIP	20	31	30	31
Indeterminate for UIP	20	6	12	8
Alternative diagnosis	30	29	24	27
No abnormal findings	56	60	60	60
Kappa coefficient
Observers 1/2	0.792
Observers 1/3	0.817
Observers 2/3	0.975

Observers 1 and 2: specialists in thoracic radiology;
Observer 3: specialist in respiratory medicine
CT computed tomography, ANCA anti-neutrophil cytoplasmic antibody, UIP usual interstitial pneumonia

ISSN: 1471-2466