Table 1.

CT imaging performance and corresponding score system

Number	CT Imaging performance	Score
1	unbilateral patchy shadows or ground glass opacity	5
2	bilateral patchy shadows or ground glass opacity	7
3	diffuse changes for (1) or (2)	2
4	unbilateral solid shadow or strip shadow	2
5	bilateral solid shadow or strip shadow	4
6	unbilateral pleural effusion	2
7	bilateral pleural effusion	4
8	increased or enlarged mediastinal lymph nodes	1