TABLE 1.

The number of patients in each group and the distribution of the results of UFT, RT-PCR and CT

	% (n=201)
Group
A (Outpatient)	39.80
B (Inpatient)	28.36
C (ICU)	16.92
D (Control)	14.93
UFT
Green zone	50.75
Yellow zone	25.37
Orange zone	16.42
Red zone	7.46
RT-PCR
Negative	56.72
Positive	43.28
CT image feature
COVID-19 negative n=15	16.48
COVID-19 positive n=76	83.51

UFT: Urine foaming test; RT-PCR: Real-time polymerase chain reaction; CT: Computerized tomography; ICU: Intensive care unit.