TABLE 1.

Specific standards of the four COVID‐19 RT‐PCR diagnostic kits

Kits	Standard
	Positive	Negative	Suspicion
I	0 < CT ≤ 38.00	NO CT or CT ≥ 40.00	38.00 < CT < 40.00
II	0 < CT ≤ 38.00	NO CT or CT> 40.00	38.00 < CT ≤ 40.00
III	0 < CT < 37.00	NO CT or CT ≥ 40.00	37.00 ≤ CT < 40.00
IV	0 < CT ≤ 40.00	NO CT or CT ≥ 40.00	—

Abbreviations: COVID‐19, coronavirus disease‐19; CT, computed tomography; RT‐PCR, real‐time reverse transcription–polymerase chain reaction.