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Table 1 Description of all cases and comparison according to RT-PCR result

From: COVID-19 pandemic: CT chest in COVID-19 infection and prediction of patient’s ICU needs

Variables

Total (N = 466)

Positive (N = 340)

Negative (N = 126)

P value

Mean age (years)

46.0 ± 14.8

38.2 ± 21.2

44.0 ± 17.1

^< 0.001 *

Sex

Male

295 (63.3%)

212 (62.4%)

83 (65.9%)

# 0.484

Female

171 (36.7%)

128 (37.6%)

43 (34.1%)

CT probability

High

240 (51.5%)

237 (69.7%)

3 (2.4%)

# < 0.001*

Intermediate

52 (11.2%)

41 (12.1%)

11 (8.7%)

Low

64 (13.7%)

37 (10.9%)

27 (21.4%)

Negative

110 (23.6%)

25 (7.4%)

85 (67.5%)

GGO (ground-glass opacity)

306 (65.7%)

292 (85.9%)

14 (11.1%)

# < 0.001*

GGO rounded

169 (55.2%)

162 (55.5%)

7 (50.0%)

# 0.687

GGO linear

68 (22.2%)

65 (22.3%)

3 (21.4%)

§ 1.000

GGO patchy

52 (17.0%)

49 (16.8%)

3 (21.4%)

§ 0.714

GGO confluence

39 (12.7%)

39 (13.4%)

0 (0.0%)

§ 0.229

GGO diffuse

4 (1.3%)

3 (1.0%)

1 (7.1%)

§ 0.172

GGO laterality

Unilateral

37 (12.1%)

35 (12.0%)

2 (14.3%)

# 0.681

Bilateral

269 (87.9%)

257 (88.0%)

12 (85.7%)

GGO location

Peripheral

275 (89.9%)

271 (92.8%)

4 (28.6%)

# < 0.001*

Central

31 (10.1%)

21 (7.2%)

10 (71.4%)

GGO lobar affection

Multilobar

285 (93.1%)

271 (92.8%)

14 (100.0)

# 0.609

Unilobar

21 (6.9%)

21 (7.2%)

0 (0.0%)

Crazy paving

162 (34.8%)

154 (45.3%)

8 (6.3%)

# < 0.001*

Vascular enlargement

104 (22.3%)

100 (29.4%)

4 (3.2%)

# < 0.001*

Consolidation

128 (27.5%)

98 (28.8%)

30 (23.8%)

# 0.281

Consolidation type

Lobar

42 (32.8%)

25 (25.5%)

17 (56.7%)

# 0.001 *

Segmental/subsegmental

86 (67.2%)

73 (74.5%)

13 (43.3%)

Consolidation > GG

77 (16.5%)

52 (15.3%)

25 (19.8%)

# 0.240

Curvilinear opacity

94 (20.2%)

90 (26.5%)

4 (3.2%)

# < 0.001*

Pleural effusion

62 (13.3%)

38 (11.2%)

24 (19.0%)

# 0.026 *

Fibrosis

22 (4.7%)

17 (5.0%)

5 (4.0%)

0.641

LN (lymphadenopathy)

17 (3.6%)

11 (3.2%)

6 (4.8%)

§ 0.415

Nodules

23 (4.9%)

11 (3.2%)

12 (9.5%)

# 0.005 *

Bronchiectasis

10 (2.1%)

8 (2.4%)

2 (1.6%)

§ 1.000

Cavitation

6 (1.3%)

1 (0.3%)

5 (4.0%)

§ 0.006 *

  1. ^Independent t test
  2. #Chi square test
  3. §Fisher’s exact test
  4. *Significant