TABLE 2.

Comparison of Ct values in monoassay and multiplex assay after real-time amplification of a dilution series of an L. pneumophila serogroup 1 standard

CFU/ml	Ct
	Monoassay		Multiplex assay
	L. pneumophila	Legionella spp.	L. pneumophila	Legionella spp.
100,000	27.2	27.7	27.4	27.8
10,000	31.2	30.6	31.6	32.8
1,000	34.3	34.5	35.2	35.5
100	38.5	38.3	38.6	39.4
10	43.4	42.4	43.2	44.7