Parameter | 1st CXR Imaging N (%) | 2nd CXR Imaging N (%) | 3rd CXR Imaging N (%) | 4th CXR Imaging N (%) |
6-point radiological opacity score zero score 1 score 2 score 3 score 4 score 5 score 6 score |
81 (59.6%) 6 (4.4%) 21 (15.4%) 6 (4.4%) 11 (8.1%) 7 (5.1%) 4 (2.9%) |
32 (23.5%) 3 (2.2%) 5 (3.7%) 3 (2.2%) 10 (7.4%) 5 (3.7%) 5 (3.7%) |
4 (2.9%) 0 (0%) 2 (1.5%) 3 (2.2%) 5 (3.7%) 2 (1.5%) 4 (2.9%) |
0 (0%) 1 (0.7%) 3 (2.2%) 0 (0%) 2 (1.5%) 1 (0.7%) 1 (0.7%) |
Predominant pattern Negative CxR Normal Normal with increased Broncho vascular markings |
81 (59.6%) 74 (54.4%) 7 (5.1%) |
32 (23.5%) 29 (21.3%) 3 (2.2%) |
4 (2.9%) 4 (2.9%) 0 (0%) |
0 (0%) 0 (0%) 0 (0%) |
Positive CxR Abnormal opacity |
55 (40.4%) |
31 (22.8%) |
16 (11.8%) |
8 (5.9%) |
CxR by days (from the day of previous CxR) Mean ± (SD) | 7.2 ± (4.75) | 4.5 ± (5.83) | 1.4 ± (4.28) | 0.96 ± (4.27) |
Positive CxR finding consolidation opacity |
21 (15.4%) |
21 (15.5 %) |
10 (7.3%) |
4 (3%) |
consolidation classification No consolidation Lobar Diffuse Multifocal |
115 (84.6%) 9 (6.6%) 6 (4.4%) 6 (4.4%) |
42 (30.9%) 10 (7.4%) 5 (3.7%) 6 (4.4%) |
10 (7.4%) 4 (2.9%) 3 (2.2%) 3 (2.2%) |
4 (2.9%) 2 (1.5%) 2 (1.5%) 0 (0%) |
Ground glass opacity Nodular opacity Reticular opacity Reticulonodular opacities | 46 (33.8%) 8 (5.9%) 6 (4.4%) 3 (2.2%) | 28 (20.6%) 7 (5.1%) 7 (5.1%) 3 (2.2%) | 12 (8.8%) 5 (3.7%) 7 (5.1%) 7 (5.1%) | 5 (3.7%) 1 (0.7%) 3 (3.3%) 0 (0%) |
Opacity side Unilateral Bilateral No opacity |
11 (8.1%) 43 (31.6%) 82 (60.3%) |
5 (3.7%) 29 (21.3%) 29 (21.3%) |
1 (0.7%) 14 (10.3%) 5 (3.7) |
1 (0.7%) 7 (5.1%) 0 (0%) |
Opacity Location No zone mid zone lower zone mid + lower zone upper + mid + lower zone |
81 (59.6%) 0 (0%) 23 (16.9%) 22 (16.2%) 10 (7.4%) |
29 (21.3%) 1 (0.7%) 8 (5.9%) 14 (10.3%) 10 (7.4%) |
5 (3.7%) 0 (0%) 1 (0.7%) 7 (5.1%) 7 (5.1%) |
0 (0%) 0 (0%) 2 (1.5%) 4 (2.9%) 2 (1.5%) |
Opacity Distribution central peripheral peripheral + center No opacity |
7 (5.1%) 27 (19.9%) 22 (16.2%) 80 (58.8%) |
3 (2.2%) 11 (8.1%) 21 (15.4%) 28 (20.6%) |
1 (0.7%) 4 (2.9%) 11 (8.1%) 4 (2.9%) |
0 (0%) 3 (2.2%) 5 (3.7%) 0 (0%) |
Associated Finding pleural effusion cardiomegaly pericardial effusion No associated findings |
1 (0.7%) 1 (0.7%) 1 (0.7%) 133 (97.8%) |
1 (0.7%) 2 (1.5%) 0 (0%) 61 (44.9%) |
1 (0.7%) 0 (0%) 0 (0%) 17 (12.5%) |
0 (0%) 1 (0.7%) 0 (0%) 5 (3.7%) |