Overall

Non-Severe

Severe

P-value

(n = 138)

(n = 104)

(n = 34)

Peripheral or subpleural

135 (98%)

102 (98%)

33 (97%)

Middle or inner band

37 (27%)

21 (20%)

16 (47%)

0.00441

both

34 (25%)

19 (18.3)

15 (44%)

Shape

Paving stone shape

21 (32%)

15 (15%)

6 (18%)

Mass

51 (81%)

35 (34%)

16 (47%)

Patchy

24 (40%)

16 (16%)

8 (24%)

Strip shape

7 (9%)

6 (6%)

1 (3%)

Honeycomb shape

8 (12%)

6 (6%)

2 (6%)

Small patchy

58 (68%)

52 (50%)

6 (18%)

Lung segment shape

4 (12%)

0

4 (12%)

Irregular

4 (12%)

0

4 (12%)

Nodular

4 (3.88%)

4 (3.88%)

0

Ground glass density

37 (27%)

30 (29%)

7 (21%)

0.325

Mixed Density

87 (63%)

62 (60%)

25 (74%)

Solid Density

14 (10%)

12 (12%)

2 (6%)

The edge

clear

21 (15%)

16 (15%)

5 (15%)

unclear

117 (85%)

88 (85%)

29 (85%)

CT signs

consolidation

66 (48%)

43 (41%)

23 (68%)

0.0136

bronchial inflation

63 (46%)

43 (41%)

20 (59%)

0.0015

Bronchiectasis

65 (47%)

41 (39%)

24 (71%)

0.00305

Blood vessels penetrated the lesion

57 (41%)

42 (40%)

15 (44%)

0.855

distribution along the vascular bundle

83 (60%)

64 (62%)

19 (56%)

0.702

Adjacent vascular widening

72 (52%)

55 (53%)

17 (50%)

0.925

Septal thickening

58 (42%)

41 (39%)

17 (50%)

0.376

Fibrosis

42 (30%)

29 (28%)

13 (38%)

0.081

Accompanying signs

Cavity or calcification

Non

137 (99%)

103 (99%)

34 (100%)

Yes

1 (1%)

1 (1%)

0 (0%)

Lymphadenectasis

Non

134 (97%)

102 (98%)

32 (94%)

0.545

Yes

4 (3%)

2 (2%)

2 (6%)