Table 2.

Number of positive cases for the respective age group, according to different diagnostic approaches.

Age group	Number tested	Positives (n/%)			Tested*	Positives (n/%) PCR*
		Microscopy	UCAA–	SCAA–
2–9	32	0	3/9.4	4/13	26	2/7.7
10–19	58	0	12/20	12/21	39	3/7.7
20–29	38	0	16/42	16/42	17	5/29
30–39	43	3/7	20/47	20/47	20	6/30
40–49	35	1/2.8	11/31	14/40	14	1/7.1
50–59	23	0	9/39	6/26	5	2/40
>60	29	0	9/31	10/35	7	0
Total	258	4/1.6	80/31	82/32	128	19/15

UCAA–: UCP-LF CAA assay detecting circulating anodic antigen in urine, indecisive results were considered as negative; SCAA–: UCP-LF CAA assay detecting circulating anodic antigen in serum, indecisive results were considered as negative;

^*PCR was performed by sampling (n = 128).