Chest CT Scan Features to Predict COVID-19 Patients’ Outcome and Survival
Table 2
Radiologic findings in all patients and differences between the two groups.
Variables
All patients, N = 186
Survivors, N = 93
Nonsurvivors, N = 93
value
PI scores
RUL total score
2.0 (1.1)
1.8 (1.0)
2.2 (1.1)
0.02
RML total score
1.5 (1.0)
1.3 (0.9)
1.6 (1.0)
0.03
RLL total score
2.3 (1.1)
2.1 (1.1)
2.4 (1.1)
0.15
LUL total score
2.0 (1.1)
1.7 (1.1)
2.2 (1.1)
0.02
LLL total score
2.2 (1.2)
2.0 (1.2)
2.3 (1.2)
0.03
Total lung GGO score
6.7 (4.5)
6.2 (4.2)
7.2 (4.8)
0.13
Total lung consolidation score
3.1 (3.2)
2.6 (3.0)
3.6 (3.5)
0.05
Total PI score
9.8 (4.5)
8.9 (4.5)
10.7 (4.4)
0.001
PI density index
2.1 (0.8)
2.0 (0.7)
2.6 (0.8)
0.01
Predominant pattern
GGO
125 (67.2)
61 (65.6)
64 (68.8)
0.63
Consolidation
61 (32.8)
32 (34.4)
29 (31.2)
Dominant distribution of lesions
Peripheral
70 (37.6)
44 (47.3)
26 (28.0)
0.01
Axial
88 (47.3)
35 (37.6)
53 (57.0)
Diffuse
28 (15.1)
14 (15.1)
14 (15.1)
No. of involved lobes
4.5 (1.0)
4.5 (1.1)
4.6 (0.9)
0.49
Monolobar
1
5 (2.7)
4 (4.3)
1 (1.1)
0.05
Multilobar
2
5 (2.7)
1 (1.1)
4 (4.3)
3
12 (6.5)
3 (3.2)
9 (9.7)
4
15 (8.1)
11 (11.8)
4 (4.3)
5
149 (80.1)
74 (79.6)
75 (80.6)
Laterality
Unilateral
11 (6.1)
6 (6.9)
5 (5.4)
0.76
Bilateral
175 (94.1)
87 (93.5)
88 (94.6)
Lower lobe involvement
Yes
180 (96.8)
88 (94.6)
92 (98.9)
0.09
No
6 (3.2)
5 (5.4)
1 (1.1)
Additional findings
Cardiomegaly
85 (45.7)
33 (35.5)
52 (55.9)
0.005
Mosaic attenuation
7 (3.7)
3 (3.2)
4 (4.3)
1
Pleural effusion
35 (18.8)
9 (9.7)
26 (28.0)
0.001
Unilateral
12 (6.5)
3 (3.2)
9 (9.7)
0.07
Bilateral
23 (12.4)
6 (6.5)
17 (18.3)
0.01
Pericardial effusion
13 (7.0)
3 (3.2)
10 (10.8)
0.04
Emphysema
7 (3.8)
3 (3.2)
4 (4.3)
1
Dilated pulmonary trunk
23 (12.4)
5 (5.4)
18 (19.4)
0.004
Pleural thickening
34 (18.3)
3 (3.2)
31 (33.3)
<0.001
Subsegmental atelectasis
64 (34.4)
24 (25.8)
40 (43.0)
0.01
Other morphologies
Parenchymal band
83 (44.6)
42 (45.2)
41 (44.1)
0.88
Crazy paving
69 (37.1)
29 (31.2)
40 (43.0)
0.09
Reverse halo
14 (7.5)
7 (7.5)
7 (7.5)
1
In-lesion bronchiectasis
11 (5.9)
7 (7.5)
4 (4.3)
0.35
Mean (standard deviation); all other variables reported as N (%). PI = pulmonary involvement; RUL = right upper lobe; RML = right middle lobe; RLL = right lower lobe; LUL = left upper lobe; LLL = left lower lobe; GGO = ground-glass opacity.
