TABLE 5.

Results of culture, conventional PCR, and real-time PCR from 57 patient samples with clinically suspected pertussis infection^a

Method	No. (%) positive			No. with result in clinical pertussis test
	B. pertussis	B. parapertussis	B. holmesii	Pos	Neg
Culture	8 (14)	0	0	8	13
Conv. PCR	18 (33)	0	NT	17	3
RT-PCR	22 (39)	0	0	21	0
Total	57	57	57	21

^aAbbreviations: Pos, positive; Neg, negative; Conv. PCR, conventional PCR; RT-PCR, real-time PCR; NT, not tested.