Table 2.

Test characteristics of index test (LFAIR) compared to reference test (RT-PCR) for all participants’ first test.

	RT-PCR Results
	Positive	Negative	Total
LFAIR Positive	25	4	29
LFAIR Negative	4	66	70
	29	70	99

Sensitivity = 86.2% (95% CI 73.6%−98.8%) Specificity = 94.3% (95% CI 88.8%−99.7%).