Table 1. Comparison of the P. jirovecii immunofluorescence assay (IFA) and the quantitative real-time PCR (qPCR) assay results, Soweto, South Africa, 2005–2009 (N = 305).

		IFA Result
		Positive	Possibly positive	Negative	Total
qPCR Result	Positive	153	10	41	204
	Negative	3	1	97	101
	Total	156	11	138	305