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Table 3 CT findings of the patients

From: COVID-19 infection: epidemiological, clinical, and radiological expression among adult population

 

All patients (240)

Non severe cases (n = 186)

Severe cases (n = 54)

P value

Lesion laterality

   

0.001

 Unilateral lesions

48 (20%)

46 (95.8%)

2 (4.2%)

 Bilateral lesions

188 (78.3%)

136 (72.3%)

52 (27.7%)

 Free CT

4 (1.7%)

4 (100%)

0 (0%)

Lesion location

   

< 0.000

 Peripheral

140 (58.3%)

124 (88.6%)

16 (11.4%)

 Central

8 (3.3%)

8 (100.0%)

0 (0%)

 Both

88 (36.7%)

50 (56.8%)

38 (43.2%)

Lesion distribution

   

< 0.000

 Unilobar

32 (13.3%)

32 (100%)

0 (0%)

 Bilobar

104 (43.3%)

102 (98.1%)

2 (1.9%)

 Multilobar

100 (41.7%)

48 (48.0%)

52 (52.0%)

Lesion pattern

    

 GGO

232 (96.7%)

180 (77.6%)

52 (22.4%)

< 0.000*

 Consolidation

94 (39.2%)

46 (48.9%)

48 (51.1%)

0.83*

 Septal lines

44 (18.3%)

36 (81.8%)

8 (18.2%)

< 0.000*

 Crazy paving

62 (25.8%5)

54 (87.1%)

8 (12.9%)

< 0.000*

Special signs

    

 Air bronchogram

92 (38.3%)

44 (47.8%)

48 (52.2%)

0.67*

 Reverse halo

18 (7.5%)

16 (88.9%)

2 (11.1%)

0.009*

 Vascular prominence

28 (11.7%)

14 (50.0%)

14 (50.0%)

1.00*

 White lung

24 (10.0%)

0 (0%)

24 (100.0%)

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Other findings

    

 Lymphadenopathy

36 (15.0%)

22 (61.1%)

14 (38.9%)

0.19*

 Pleural effusion

2 (0.8%)

0 (0%)

2 (100.0%)

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CT score

    

 Mean ± SD

12.22 ± 6.02

9.56 ± 3.42

21.41 ± 3.34

< 0.000#

 Mild (0–7)

68 (28.3%)

   

 Moderate (8–15)

118 (49.2%)

  

 Severe (16–25)

54 (22.5)

  
  1. P values comparing non-severe cases and severe cases are from χ2 test or Fisher exact test
  2. *P values comparing non-severe cases and severe cases are from Z test
  3. #P values comparing non-severe cases and severe cases are from t test. A p value of less than 0.05 was regarded as statistically significant