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Table 1 Grading system based on the density and morphology of the lesions

From: Efficacy of chest X-ray in the diagnosis of COVID-19 pneumonia: comparison with computed tomography through a simplified scoring system designed for triage

CXR finding CT finding Grade Score
None None 0 0
Hazy density Ground glass opacity 1 1
Reticular density Crazy paving pattern, reticular density 2 2
Consolidation Consolidation 3 3
  1. In the case of the presence of mixed type lesions in the same zone, the lesion with the highest grade was included in the scoring system. CXR chest X-ray, CT computed tomography