Table 2. The results and positive detection rates of clinical samples by culture, species-specific PCR and multiplex real-time PCR.

	Culture	Species-specific PCR	Multiplex real-time PCR
Positive	29	13	31
Negative	4	20	2
Total	33	33	33
Positive detection rate (%)	87.9	39.4*	93.9

*p<0.0001, compared with multiplex real-time PCR