Table 4.
Frequency of CT features in the whole cohort and early, mid, and late groups (all ages)
| Feature | All patients (n = 179) | Early group (n = 65) | Mid group (n = 71) | Late group (n = 43) | p |
|---|---|---|---|---|---|
| Ground‐glass opacity | 130 (72.6%) | 52 (80.0%) | 49 (69.0%) | 29 (67.4%) | .245 |
| Crazy‐paving pattern | 72 (40.2%) | 31 (47.7%) | 29 (40.8%) | 12 (27.9%) | .122 |
| Consolidation | 69 (38.5%) | 29 (44.6%) | 26 (36.6%) | 14 (32.6%) | .414 |
| Vessel enlargement | 112 (62.6%) | 47 (72.3%) | 45 (63.4%) | 20 (46.5%) | .025 |
| Bronchial dilatation | 64 (35.6%) | 30 (46.2%) | 25 (35.2%) | 9 (20.9%) | .028 |
| Subpleural curvilinear opacity | 48 (26.8%) | 24 (36.9%) | 17 (23.9%) | 7 (16.3%) | .048 |
| Architectural distortion | 56 (31.3%) | 23 (35.4%) | 24 (33.8%) | 9 (20.9%) | .164 |
| Intrathoracic lymphadenopathy | 21 (11.7%) | 11 (16.9%) | 6 (8.5%) | 4 (9.3%) | .264 |
| Pleural effusion | 12 (6.7%) | 3 (4.6%) | 7 (9.9%) | 2 (4.7%) | .394 |
| Bilateral involvement | 112 (62.6%) | 47 (72.3%) | 45 (63.4%) | 20 (46.5%) | .025 |
| Focal involvement | 19 (10.6%) | 7 (10.8%) | 5 (7.0%) | 7 (16.3%) | .094 |
| Multifocal involvement | 118 (65.9%) | 47 (72.3%) | 45 (63.4%) | 23 (53.5%) | .178 |
| Lower lung predominance | 75 (41.9%) | 33 (50.8%) | 25 (35.2%) | 17 (39.5%) | .136 |
| No craniocaudal distribution | 51 (28.5%) | 19 (29.2%) | 23 (32.4%) | 9 (20.9%) | .418 |
Note: The counting data were presented as count (percentage of total). Bold values denote statistical significance at the p < .05 level.
Abbreviation: CT, computed tomography.