Table 1.

Summary of patient studies and training/cross-validation and testing split.

Features	Train/Cross-Val (n = 930)	Testing (n = 399)
Male/Female	465/465	214/185
Age (mean ± std)	54.67±16.81	53.81±17.80
COVID-CT
Positive	701	297
Negative	229	102
COVID-NAT
Positive	533	228
Negative	397	171
COVID-Severity
Control/Suspected	397	171
Mild/Regular	398	164
Severe/Critically ill	135	64
Data Source
Wuhan Union Hospital	669	290
Wuhan Liyuan Hospital	261	109