Table 2.
Initial CT Features of the different age groups
| Parameter | Total (n = 97) | Children (n = 6) | Young adults (n = 44) | Middle age (n = 23) | Senior (n = 24) | p value |
|---|---|---|---|---|---|---|
| CT features | ||||||
| Patchy/punctate GGO | 64 (66.0) | 4 (66.7) | 25 (56.8) | 17 (73.9) | 19 (79.2) | 0.180 |
| Large/multiple GGO | 56 (57.7) | 0 (0) | 23 (52.3) | 15 (65.2) | 18 (75.0) | 0.005 |
| Consolidation | 14 (14.4) | 0 (0) | 6 (13.6) | 2 (8.7) | 6 (25.0) | 0.377 |
| Reticulation/interlobular septal thickening | 13 (13.4) | 0 (0) | 3 (6.8) | 4 (17.4) | 6 (25.0) | 0.135 |
| Irregular solid nodules | 6 (6.2) | 0 (0) | 3 (6.8) | 2 (8.7) | 1 (4.2) | 0.915 |
| Fibrous stripes | 8 (8.2) | 0 (0) | 3 (6.8) | 3 (13.0) | 2 (8.3) | 0.794 |
| No related lesions | 25 (25.8) | 2 (33.3) | 16 (36.4) | 4 (17.4) | 3 (12.5) | 0.107 |
| Numbers of lobes affected | < 0.001 | |||||
| 0 | 27 (27.8) | 2 (33.3) | 16 (36.4) | 5 (21.7) | 3 (12.5) | |
| 1 | 14 (14.4) | 4 (66.7) | 7 (15.9) | 2 (8.7) | 3 (12.5) | |
| 2 | 17 (17.5) | 0 (0) | 11 (25.0) | 3 (13.0) | 3 (12.5) | |
| 3 | 5 (5.2) | 0 (0) | 2 (4.5) | 2 (8.7) | 1 (4.2) | |
| 4 | 16 (16.5) | 0 (0) | 3 (6.8) | 4 (17.4) | 9 (37.5) | |
| 5 | 18 (18.6) | 0 (0) | 5 (11.4) | 7 (30.4) | 5 (20.8) | |
| Frequency of lobe involvement | ||||||
| Right upper lobe | 33 (34.0) | 1 (16.7) | 9 (20.5) | 10 (43.5) | 13 (54.2) | 0.020 |
| Right middle lobe | 34 (35.1) | 0 (0) | 9 (20.5) | 11 (47.8) | 14 (58.3) | 0.002 |
| Right lower lobe | 45 (46.4) | 0 (0) | 18 (40.9) | 15 (65.2) | 12 (50.0) | 0.024 |
| Left upper lobe | 41 (42.3) | 0 (0) | 14 (31.8) | 12 (52.2) | 15 (62.5) | 0.009 |
| Left lower lobe | 59 (60.8) | 3 (50.0) | 21 (47.7) | 17 (73.9) | 18 (75.0) | 0.062 |
| Bilateral lung disease | 52 (53.6) | 0 (0) | 20 (45.5) | 15 (65.2) | 17 (70.8) | 0.005 |
Statistically significant p values are in bold
Data are n (%), mean (SD), median (IQR)