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Table 5 Radiological comparison between initial infection and re-infection as regard the presence of other important radiological signs

From: Correlation between chest CT scores and clinical impact in patients re-infected with COVID-19 during the two attacks: an observational study

  First infection Second infection P value
  Count % Count %  
Atoll      
Yes 32 64.0 18 36.0 0.011
No 18 36.0 32 64.0  
Crazy paving      
Yes 35 70.0 19 38.0 0.001
No 15 30.0 31 62.0  
Bull's eye sign      
Yes 0 0 7 14.0 0.016
No 50 100.0 43 86.0  
Pei lobular fibrosis      
Yes 0 0 9 18.0 0.004
No 50 100.0 41 82.0  
Architectural distortion      
Yes 0 0 6 12.0 0.031
No 50 100.0 44 88.0  
Nodule with halo      
Yes 21 42.0 8 16.0 0.004
No 29 58.0 42 84.0