Table 3. Comparison of ARDS and Non-ARDS Groups according to Clinical and Radiological Factors.
| Characteristics | All (n = 19) | ARDS Group (n = 12) | Non-ARDS Group (n = 7) | P |
|---|---|---|---|---|
| Age (yr) | 41.6 ± 19.1 | 43.3 ± 22.3 | 38.9 ± 15.1 | 0.651 |
| Premorbid conditions (%) | 8 (42) | 5 (42) | 4 (57) | 0.650 |
| Initial radiographic findings (%) | 0.813 | |||
| Normal | 2 (11) | 1 (8) | 1 (14) | |
| Focal opacity | 9 (47) | 5 (42) | 4 (57) | |
| Multifocal/diffuse opacity | 8 (42) | 6 (50) | 2 (29) | |
| Radiographic disease course (%) | 0.048 | |||
| Type 1 | 2 (11) | 0 (0) | 2 (29) | |
| Type 2 | 9 (47) | 5 (42) | 4 (57) | |
| Type 3 | 2 (11) | 1 (8) | 1 (14) | |
| Type 4 | 6 (31) | 6 (50) | 0 (0) | |
| CT findings | ||||
| Unilateral/bilateral (%) | 2 (11)/17 (89) | 1 (8)/11 (92) | 1 (14)/6 (86) | 0.998 |
| Ground-glass opacity (%) | 19 (100) | 12 (100) | 7 (100) | N/A |
| Consolidation (%) | 14 (74) | 10 (83) | 4 (57) | 0.305 |
| Micronodules (%) | 3 (16) | 2 (17) | 1 (14) | 0.997 |
| Inter/intralobular septal thickening (%) | 12 (63) | 7 (58) | 5 (71) | 0.656 |
| Pleural effusion (%) | 13 (68) | 11 (92) | 2 (29) | 0.010 |
| Number of the involved lobes | 4.2 ± 1.4 | 4.2 ± 1.6 | 4.1 ± 1.2 | 0.973 |
| Total CT score | 9.2 ± 4.8 | 12.8 ± 4.5 | 6.4 ± 4.1 | 0.007 |
ARDS = acute respiratory distress syndrome, CT = computed tomography, N/A = not applicable