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. 2022 Jan 27;14(1):e21656. doi: 10.7759/cureus.21656

Table 4. CT severity score with respect to comorbidities in the first and second waves of COVID-19.

CT: computed tomography; COVID-19: coronavirus disease 2019; SD: standard deviation

  CT severity score
First wave of COVID-19 Second wave of COVID-19
N Mean SD Median P-value N Mean SD Median P-value  
Bronchial asthma Yes 6 10.7 5.5 11 0.508 15 7.1 5.0 7 0.477  
No 295 9.0 6.2 9 986 8.3 6.2 7  
Diabetes mellitus Yes 52 10.8 6.1 12 0.022* 150 10.5 5.9 11 <0.001*  
No 249 8.6 6.2 8 851 7.9 6.1 7  
Hypertension Yes 73 11.3 5.9 12 <0.001* 205 10.2 5.8 10 <0.001*  
No 228 8.3 6.1 8 796 7.7 6.1 7  
Tuberculosis Yes 3 15.3 1.2 16 0.076 9 10.0 6.5 9 0.391  
No 298 8.9 6.2 9 992 8.2 6.1 7