Table 3.
CT image interpretations of common type patients with SARS-CoV-2 pneumonia based on symptoms
| Chest CT findings | n (%) | p1 | |
|---|---|---|---|
| Common type | |||
| Asymptomatic (n = 16) | Symptomatic (n = 74) | ||
| Bilateral | 9 (56%) | 31 (42%) | 0.366 |
| Ground-grass opacities | 11 (69%) | 67 (91%) | 0.035 |
| Nodules | 10 (63%) | 43 (58%) | 0.746 |
| Linear densities | 7 (44%) | 43 (58%) | 0.295 |
| Consolidation | 5 (31%) | 32 (43%) | 0.377 |
| Crazy paving | 5 (31%) | 4 (5%) | 0.008 |
| Bronchiectasis | 2 (13%) | 4 (5%) | 0.289 |
| Effusion | 0 | 0 | – |
| Lymphadenopathy | 1 (6%) | 0 | 0.178 |
| Air-bronchogram | 0 | 5 (7%) | 0.581 |
| Tree-in-bud sign | 0 | 4 (5.4%) | 1.000 |
| White lung | 0 | 0 | – |
| Zonal predominance | |||
| Upper | 7 (44%) | 22 (29%) | 0.277 |
| Middle | 3 (19%) | 25 (34%) | 0.373 |
| Lower | 13 (81%) | 57 (77%) | 1.000 |
| Predominant distribution | |||
| Peripheral | 15 (94%) | 64 (86%) | 0.681 |
| Central | 4 (25%) | 16 (22%) | 0.748 |
| Predominant patterns | |||
| Ground-glass opacities | 15 (94%) | 67 (91%) | 1.000 |
| Consolidation | 9 (56%) | 32 (43%) | 0.344 |
| Reticulation | 3 (19%) | 1 (1%) | 0.017 |
| Total severity score, mean (SD) | 1.9 (0.9) | 2.0 (1.6) | 0.565 |
Abbreviation: SARS-CoV-2, severe acute respiratory syndrome coronavirus 2; n, number of cases
1For categorical variables, p values were derived from χ2 test, Fisher’s exact test. For continuous variables, p values were derived from Student t test or analysis of variance (ANOVA)