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Table 1 Demographic and clinical characteristics

From: Lung perfusion findings on perfusion SPECT/CT imaging in non-hospitalized de-isolated patients diagnosed with mild COVID-19 infection

Characteristics

N=56

Age in years, median (IQR) a

48 (41–54)

Sex, n (%)

 

 Female

49 (87.5)

 Male

7 (12.5)

a Duration of illness before scan in days, median (IQR)

17 (14–25)

b Study type, n (%)

 

 Q SPECT/CT scan

47 (83.9)

 VQ SPECT/CT scan

9 (16.1)

b Follow-up study, n (%)

 

 None

42 (75.0)

 VQ SPECT/CT scan

14 (25.0)

Defects, n (%)

 

 No

24 (42.9)

 Yes

32 (57.1)

Mosaic attenuation, n (%)

 

 No

32 (57.1)

 Yes

24 (42.9)

COVID pneumonia, n (%)

 

 No

32 (57.1)

 Yes

24 (42.9)

b Defects from PE, n (%)

 

 No

31 (55.4)

 Yes

20 (35.7)

 Non-diagnostic

5 (8.9)

b Defects with mosaic attenuation other than PE, n (%)

 

 No

39 (69.6)

 Yes

17 (30.4)

Defects from pulmonary infiltrates, n (%)

 

 No

50 (89.3)

 Yes

6 (10.7)

Shunting, n (%)

 

 No

46 (82.1)

 Yes

10 (17.9)

  1. aIQR (interquartile range)
  2. bQ SPECT/CT perfusion single photon emission computed tomography/computed tomography, VQ SPECT/CT ventilation and perfusion single photon emission computed tomography/computed tomography, PE pulmonary embolism