Estimated extent of ILD in standard HRCT and reduced HRCT scans
| Lung involvement in standard HRCT | Estimated extent in reduced HRCT | |||
|---|---|---|---|---|
| No ILD | Minimal (<20%) | Extensive (>20%) | Indeterminate | |
| Reader 1/2 | Reader 1/2 | Reader 1/2 | Reader 1/2 | |
| Minimal (<20%) n=52 | n=9/9 | n=38/37* | n=5/6 | n=0/0 |
| Extensive (>20%) n=25 | n=0/0 | n=3/0 | n=22/25* | n=0/0 |
ILD was present in 77 patients in standard HRCT.
*Correctly estimated extent in reduced HRCT compared with standard HRCT.
HRCT, high-resolution CT; ILD, interstitial lung disease.