Risk factors for early septic failure after two-stage exchange total knee arthroplasty for treatment of periprosthetic joint infection

Journal of Orthopaedics and Traumatology

Official Journal of the Italian Society of Orthopaedics and Traumatology

Table 3 Intraoperative microbial culture results at reimplantation

	Successful treatment group (n = 103)		Early septic failure group (n = 48)
	Total number	Different microorganism as previous culture	Total number	Different microorganism as previous culture
No growth	98 (95.1%)		37 (77.1%)
Methicillin-resistant coagulase-negative Staphylococcus species	2 (1.9%)	0	1 (2.1%)	1
Methicillin-resistant Staphylococcus aureus	0		2 (4.2%)	1
Enterococcus species	0		1 (2.1%)	0
Other Staphylococcus species	0		1 (2.1%)	0
Mycobacterium species	0		2 (4.2%)	0
Fungus	0		2 (4.2%)	0
Polymicrobial organism	3 (2.9%)	0	2 (4.2%)	2