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Table 2 A summary of major information obtained from this research

From: Computing infection distributions and longitudinal evolution patterns in lung CT images

Studies

Major findings from the experimental results in our cohort of patients

Comparison of infection distributions of COVID-19 and CAP

The locations and sizes of COVID-19 infections are prevalently and significantly different from CAP in the lung

COVID-19 mostly distributed on peripheral, posterior, and middle-lower pulmonary lobes

CAP infections are smaller in size or number, and tend to be peripheral and close to the diaphragm

Comparison of GGO and consolidation distributions between COVID-19 and CAP

In COVID-19, GGO infections hold a large percentage of infected regions and spread more widely than consolidation infections. The maximum probability of GGO and consolidation are 26.1% and 10.7%, respectively

In CAP, these two types of infections were relatively mild, with the maximum probability of 7.9% in GGO and 5.1% in consolidation

Comparison of onset stages in severe and critical COVID-19 cases

The two distribution maps are similar

The region with significant difference was small (counting for 0.1% of the lung volume)

The right lung, especially the right-lower lobe, has relative difference in the two distributions

Time course of critical COVID-19 cases

GGO and consolidation changes are clearly associated with the disease time course

The critical COVID-19 patients showed 4 subsequent patterns: progression, absorption, enlargement, and further absorption, with remarkable concurrent HU patterns for GGO and consolidations