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Table 1 Illustrate the incidence and the relation between the patients’ sex, main complaint at the time of CTPA scanning, rising D-dimer level, CT interpretation according to RSNA criteria, and the progressive CT findings between the negative and positive pulmonary embolism groups under study

From: CT pulmonary angiography in COVID-19 pneumonia: relationship between pulmonary embolism and disease severity

  

Negative CT pulmonary angiography

Positive CT pulmonary angiography

Total

Pearson Chi-Square value

P value

Sig.

Sex

Female (No/percentage)

26 (46.4%)

12 (30%)

38 (39.6%)

1.317

0.251

NS

Male (No/percentage)

30 (53.6%)

28 (70%)

58 (60.4%)

Total

56

40

96

   

The main complaint at the time of CTPA

Desaturation

10 (17.9%)

18 (45%)

28 (29.2%)

4.160

0.041*

S

Hemoptysis

2 (3.6%)

12 (30%)

14 (14.6%)

6.542

0.011*

S

Progressive dyspnea

36 (64.3%)

28 (70%)

64 (66.7%)

0.171

0.679

NS

Tachycardia

4 (7.1%)

10 (25%)

14 (14.6%)

2.987

0.084

NS

Chest pain

10 (17.9%)

18 (45%)

28 (29.2%)

4.160

0.041*

S

Rising D-dimer level

 

6 (10.7%)

32 (80%)

38 (39.6%)

23.419

0.000^

HS

NCCT interpretation by RSNA

Typical

34 (60.7%)

22 (55%)

56 (58.3%)

5.094

0.165

NS

Indeterminate

12 (21.4%)

12 (30%)

24 (25%)

Atypical

2 (3.6%)

6 (15%)

8 (8.3%)

Negative

8 (14.3%)

0 (0%)

8 (8.3%)

Total

56

40

96

Progressive NCCT

 

4 (7.1%)

36 (90%)

40 (41.7%)

32.953

0.000^

HS

  1. NCCT Non-contrast CT
  2. *P value < 0.05 is considered significant
  3. ^P value < 0.01 is considered highly significant