Review on Diagnosis of COVID-19 from Chest CT Images Using Artificial Intelligence

Table 4

COVID-19 severity classification results. Class.: classification; Sens.: sensitivity; Spec.: specificity; Prec.: precision; AUC: area under the curve; Ref.: reference.

Class.	Subjects	Dataset	Method	Sens. (%) or recall	Spec. (%)	Prec. (%)	AUC (%)	Ref.
COVID-19 severe/nonsevere	23,812 COVID-19	Private	ResNet34	N/A	N/A	81.3	98.7	Xiao et al. [61]; Peer-reviewed
COVID-19 severity score	131 COVID-19	[21]	CNN; VGG16	N/A	N/A	NA	NA	Zhu et al. [62]; Peer-reviewed
COVID-19 severity and progression	72 COVID-19; 120 others	Private	UNet; BER Algorithm	95	84	N/A	N/A	Pu et al. [63]; Peer-reviewed