Table 2.

Results of smear and PS-PCR individually, or combined in parallel, applied to 63 patients

		ATL
Assay	Result	Presence	Abscence1	Total
Smear	Positive	31	0	31
	Negative	13	18	31
	Total	44	182	62
PS-PCR	Positive	34	3	37
	Negative	8	16	24
	Total	423	19	61
Smear + PS-PCR	Positive	41	3	44
	Negative	1	15	16
	Total	42	18	60

ATL = American tegumentary leishmaniasis. ¹Determined by the criterion mentioned in text. ²One out of 19 non-ATL cases was not considered for the analysis because cells were not observed in the smear. ³Insuficient DNA was obtained from two samples out of 44 ATL cases.