Table 2.
Radiological findings on HRCT, grouped by presence or absence of bronchiolocentric fibrosis, in the total cohort and in patients diagnosed with idiopathic pulmonary fibrosis.
| Total cohort (n=252) |
IPF cohort (n=215) |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| With BCF | Without BCF | P value | With BCF | Without BCF | P value | |||||
| Number with HRCT, n (%) | 88 | (91.7) | 138 | (88.5) | 65 | (90.3) | 126 | (88.1) | ||
| Pattern, n (%) | 0.33 | 0.48 | ||||||||
| UIP | 18 | (20.5) | 40 | (29.0) | 15 | (23.1) | 39 | (31.0) | ||
| Possible UIP | 27 | (30.7) | 36 | (26.1) | 22 | (33.8) | 35 | (27.8) | ||
| Inconsistent UIP | 43 | (48.9) | 62 | (44.9) | 28 | (43.1) | 52 | (41.3) | ||
| Inconsistent features, n (%) | ||||||||||
| Upper or mid-lung predominance | 5 | (5.7) | 14 | (10.1) | 0.33 | 3 | (4.6) | 10 | (7.9) | 0.55 |
| Peribronchovascular predominance | 20 | (22.7) | 26 | (18.8) | 0.50 | 13 | (20.0) | 20 | (15.9) | 0.55 |
| Extensive ground glass abnormality | 18 | (20.5) | 20 | (14.5) | 0.28 | 15 | (23.1) | 17 | (13.5) | 0.10 |
| Profuse micronodules | 2 | (2.3) | 1 | (0.7) | 0.56 | 1 | (1.5) | 1 | (0.8) | 1.00 |
| Discrete cysts | 4 | (4.5) | 9 | (6.5) | 0.77 | 3 | (4.6) | 9 | (7.1) | 0.75 |
| Diffuse mosaic attenuation/air-trapping | 18 | (20.5) | 23 | (16.7) | 0.48 | 11 | (16.9) | 19 | (15.1) | 0.83 |
| Consolidation in bronchopulmonary segment(s)/lobe(s) | 2 | (2.3) | 3 | (2.2) | 1.00 | 2 | (3.1) | 3 | (2.4) | 1.00 |
Abbreviation: HRCT, high-resolution computed tomography; UIP, usual interstitial pneumonia