Risk of methicillin-resistant staphylococcus aureus prosthetic joint infection in elective total hip and knee arthroplasty following eradication therapy

Table 1 Total knee replacement–demographics

	MRSA negative	MRSA positive
Mean age (yr)	70.2	69.3
Follow up (yr)	4.88	4.78
Total no. Patients	84	42
Male, n (%)	38	19
Female, n (%)	46	23

MRSA: Methicillin-resistant staphylococcus aureus.

Table 2 Total hip replacement-demographics

	MRSA negative	MRSA positive
Mean age (yr)	67.8	67.7
Follow up (yr)	6	5.1
Total no. Patients	64	32
Male, n (%)	16	9
Female, n (%)	48	23

MRSA: Methicillin-resistant staphylococcus aureus.

Table 3 The results of the incidence of prosthetic joint infection

	MRSA negative	MRSA positive
Total knee replacement	1/84 (1.2%)	3/ 42 (7%)
Total hip replacement	0/64	4/32 (12.5%)

MRSA: Methicillin-resistant staphylococcus aureus.