Table 2.

Two-by-two table of clinical–lung ultrasonographic integrated evaluation and RT-PCR.

C-LUS Integrated	Positive	Negative	Total	RT-PCR	Positive	Negative	Total
COVID-19	101	6	107	COVID-19	86	21	107
Non–COVID-19	6	115	121	Non–COVID-19	0	121	121
Total	107	121	228	Total	86	142	228