A prospective study to examine the epidemiology of methicillin-resistant Staphylococcus aureus and Clostridium difficile contamination in the general environment of three community hospitals in southern Ontario, Canada

Table 4 Typing data for MRSA isolated from the general environment and patients

Hospital (n)	eGenomics spatype^a	% per hospital (n)	Ridom spatype^b	PVL genes	CMRSA	USA equivalent	Visit number (n)
Environment:							1	2	3	4
A (20)	2	50.0% (10)	t002	No	2	100	2	2	2	4
	539	30.0% (6)	t034	No	No assignment	No assignment	0	0	0	6
	24	10.0% (2)	t242	No	2	100	0	0	1	1
	140	5.0% (1)	t954	No	2	100	1	0	0	0
	957	5.0% (1)	t4867	No	No assignment	No assignment	0	0	1	0
B (25)	2	88.0% (22)	t002	No	2	100	3	5	10	4
	539	12.0% (3)	t034	No	No assignment	No assignment	0	0	3	0
C (27)	1	3.7% (1)	t008	Yes	10	300	0	0	0	1
	7	96.3% (26)	t064	No	5	500	0	26	0	0
Patients:
A (16)^c	2	75.0% (12)	t002	No	2	100	0	6	3	3
	23	6.3% (1)	t548	No	2	100	0	1	0	0
	24	6.3% (1)	t242	No	2	100	0	0	1	0
	140	6.3% (1)	t954	No	2	100	0	1	0	0
	696	6.3% (1)	t2069	No	No assignment	No assignment	0	1	0	0
B (25)^d	2	80.0% (20)	t002	No	2	100	6	4	7	3
	1	4.0% (1)	t008	No	5	500	0	0	1	0
	12	4.0% (1)	t062	No	2	100	1	0	0	0
	23	4.0% (1)	t548	No	2	100	0	0	0	1
	24	4.0% (1)	t242	No	2	100	0	0	0	1
	230	4.0% (1)	t010	No	2	100	1	0	0	0
C (5)^e	2	80.0% (4)	t002	No	2	100	0	0	2	2
	1	20.0% (1)	t008	Yes	10	300	0	0	1	0

PVL: Panton-Valentine leukocidin.
CMRSA: Canadian epidemic methicillin-resistant Staphylococcus aureus.
n = number of samples.
^a spa types classified according to eGenomics (http://tools.egenomics.com)^b spa types classified according to the Ridom system (http://www.spaserver.ridom.de).
^c MRSA was isolated from the perianal region (62.5%, n=10) and the anterior nares (37.5%, n=6).
^d MRSA was isolated from the perianal region (68%, n=17), the anterior nares (12%, n=3), and from wounds (20%, n=5).
^e MRSA was isolated from the anterior nares (100%, n=5).

ISSN: 1471-2334