HRCT findings at the time of diagnosis of AIPF (n=32)
| Mean±SD | Median | Range | |
| Reticulation score (%) | |||
| Most affected lung | 27.2±22.3 | 22.3 | 5.95–75 |
| Least affected lung | 10.1±6 | 9.6 | 0–19.1 |
| Global | 18.6±9 | 16.3 | 4.2–45.6 |
| Ground glass score (%) | |||
| Most affected lung | 10.7±11.7 | 7.2 | 0–64 |
| Least affected lung | 2.1±3.77 | 0.9 | 0–21 |
| Global | 6.5±7.3 | 4.6 | 0–41 |
| Fibrosis score (%) | |||
| Most affected lung | 39±19.7 | 35 | 15–90 |
| Least affected lung | 12.3±8 | 12 | 0–39 |
| Global | 25.7±11.9 | 23 | 9–63 |
| Asymmetry ratio* | 0.52±0.21 | 0.50 | 0.24–1 |
↵* Asymmetry ratio was calculated as (most affected – least affected fibrosis score)/(global fibrosis score) and ranged from 0 to 1.
AIPF, asymmetrical idiopathic pulmonary fibrosis; HRCT, high-resolution CT scan.