Table 3.

Applications of artificial intelligence in computerized tomography based on different study population

Ref.	Year	Country/region	Number of cases	Study population	Methods	Results
Huang et al[32]	2020	China	-	Hospital	Deep CNN	-
Gao et al[33]	2019	China	32495 images	Hospital	FR-CNN	AUCs (0.9541)
Li et al[34]	2015	China	26 cases	Hospital	KNN algorithm	Accuracy (76.92%)
Li et al[35]	2012	China	38 lymph node datasets	Hospital	ML	Accuracy (96.33%)

CNN: Convolutional neural networks; FR-CNN: Faster region-based convolutional neural networks; AUCs: Area under the curve; KNN algorithm: K-nearest neighbor algorithm; ML: Machine learning.