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%)