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Table 1 Subjective evaluation standard of 5-point system

From: Application of CareDose 4D combined with Karl 3D technology in the low dose computed tomography for the follow-up of COVID-19

ScoreGGOCrazy-paving pattern
Five pointsclearclearly visible
Four pointsclearvisible
Three pointsvisibleunclear
Two pointsvisibleblurred
One pointnon-visibleunclear