Molecular Diagnosis of Periprosthetic Joint Infection by Quantitative RT-PCR of Bacterial 16S Ribosomal RNA

Table 1

Clinical data on patients with suspected infection status.

Case	Age	Sex	Diagnosis of PJI	ESR (mm/hr)*	CRP (mg/L)	Fistula	Culture^†	qPCR result
1	46	F	THA infection	109	15.78	Present	NG	Positive
2	79	M	TKA infection	55	194.49	Present	Pseudomonas aeruginosa	Positive
3	68	M	THA infection	48	41.66	Present	NG	Positive
4	48	F	THA infection	NA	76.76	Present	CONS, Staph epi, and MRSA	Positive
5	63	M	TKA infection	124	51.54	Absent	M. chelonae	Positive
6	66	M	THA infection	73	96.76	Absent	Peptostreptococcus	Positive
7	73	F	TKA infection	74	18	Absent	Staphylococcus  aureus	Positive
8	70	F	TKA infection	NA	273.83	Present	MRSA	Positive
9	63	M	THA infection	64	104.76	Absent	MSSA	Positive
10	70	F	Revision of TKA infection	NA	111.01	Absent	MRSA	Positive
11	32	M	Reactive synovitis	NA	12.39	Absent	NG	Negative

∗NA: not available.
^†NG: no growth; CONS: coagulase negative staphylococcus; Staph epi: Staphylococcus  epidermidis; MRSA: methicillin-resistant Staphylococcus  aureus; M. chelonae: Mycobacterium  chelonae.