Table 1.

Sample breakdown according to the group, age, and antigen testing results.

	Symptomatic (n = 337)	Contacts (n = 291)	Administrative (n = 372)	P
Age, years; mean ± SD [min–max]	38.3 ± 14.6 [1–79]	38.1 ± 12.8 [3–78]	40.4 ± 13.2 [5–83]	0.059
Antigen-positive; n (%)	171 (50.7)	47 (16.2)	18 (4.8)	<0.001