TABLE 3.

Clinical Characteristics of the 6 Participants Colonized with pSK41-positive Staphylococcus aureus among Study Participants with Chronic Lower-Extremity Wounds in Southeastern Michigan, 2011

Variable	Case 1	Case 2	Case 3	Case 4	Case 5	Case 6
Sex	Male	Male	Female	Male	Male	Male
Age, years	57	56	60	63	62	5
Race	White	Black	Black	Black	Black	White
Medical comorbidities	Hyperlipidemia, PAD	DM, HTN	DM, hyperlipidemia, HTN, seizures	Diabetes mellitus, ESRD receiving dialysis	HTN	COPD, hyperlipidemia, HTN
Indwelling device in previous 3 months	PICC	None	None	Tunneled dialysis catheter	None	PICC
Problems with chronic wounds, years	>2	>2	>2	>2	>2	>2
Antimicrobials in previous 3 months	Ampillicin-sulbactam, ciprofloxaxcin, cephalexin, vancomycin	None	TMP-SMX	None	TMP-SMX	Levofloxacin, TMP-SMX
Hospitalizations in previous 12 months	3	0	1	2	0	0
Frequency of wound care visits	Monthly	Weekly	Weekly	Weekly	Unknown	Every 3 months
Nares culture	pSK41(+) MSSA	pSK41(+) MRSA	pSK41(−) MSSA	pSK41H(−) MRSA	pSK41(+) MR	pSK41(+) MSSA
Wound culture	pSK41(+) MRSA, no growth of VRE	pSK41(+) MRSA, no growth of VRE	pSK41(−) MRSA, no growth of VRE	pSK41H(−) MSSA, no growth of VRE	pSK41(−) MRSA, no growth of VRE	pSK41(−) MSSA, no growth of VRE
Perirectal culture	pSK41(+) MSSA, no growth of VRE	Not performed	pSK41(+) MRSA, no growth of VRE	No growth of S. aureus or VRE	No growth of S. aureus or VRE	Not performed

NOTE. COPD, chronic obstructive pulmonary disease; DM, diabetes mellitus; ESRD, end-stage renal disease; HTN, hypertension; MRSA, methicillin-resistant Staphylococcus aureus; MSSA, methicillin-susceptible S. aureus; PAD, peripheral arterial disease; PICC, peripherally inserted central catheter; TMP-SMX, trimethoprim-sulfamethoxazole; VRE, vancomycin-resistant enterococcus.