TABLE 1.

Performance of culture methods and nucleic acid amplification assays for detecting Kingella kingae in children with skeletal system infections^a

Yr	Reference	Culture method	No. with positive K. kingae culture/total	PCR method	Target gene		No. with positive PCR/total
					C-PCR	RT-PCR
1998	301	C	0/1	C	16S rRNA gene	NA	1/1
2003	186	C + BCV	13/18	C	16S rRNA gene	NA	18/18
2005	303	C + BCV	9/24	C	16S rRNA gene	NA	24/24
2007	302	C + BCV	6/21	C + RT	16S rRNA gene	16S rRNA gene	20/21
2007	16	C + BCV	17/39	C + RT	16S rRNA gene	cpn60	39/39
2008	200	BCV	2/4	C + RT	16S rRNA gene	cpn60	4/4
2008	206	C	0/1	C	16S rRNA gene	NA	1/1
2009	15	C + BCV	7/31	RT	ND	cpn60	31/31
2009	88	C	0/2	C + RT	16S rRNA gene	rtxA + rtxB	2/2
2009	158	C + BCV	5/18	RT	ND	?	18/18
2010	89	C	0/23	RT	ND	rtxA + rtxB	23/23
2011	90	ND	2/20	RT	ND	rtxA	20/20
2013	151	C + BCV	5/44	RT	ND	cpn60	43/44
2013	152	C	?	C + RT	16S rRNA gene	cpn60	11/11
2014	160	C + BCV	2/24	C + RT	ND	rtxA	27/27
2014	304	C	0/3	RT	ND	cpn60	3/3
2014	305	C + BCV	0/1	RT	ND	cpn60	1/1
Total			68/274 (24.8%)				388/390 (99.5%)

^aAbbreviations: C, conventional; BCV, blood culture vial; RT, real time; ND, not done; NA, not applicable.