Table 1.

S. aureus carrier characteristics. Note: PD, peritoneal dialysis; ADPKD, autosomal dominant polycystic kidney disease.

N	Age	Sex	Cause of End-Stage Renal Disease	Carriage Site (Biofilm Production Group)			Outcome in Two Years
				Nose	Groin	PD Catheter
1	55	♂	Diabetic nephropathy	1N strong			1 episode of S. aureus/Pseudomonas spp. Peritonitis, transplantation
2	74	♀	Glomerulonephritis	3N strong			Death
3	76	♂	Hypertensive nephropathy	6N moderate	6G strong		3 episodes of peritonitis (2 Streptococcus spp., 1 culture-negative)
4	83	♂	Chronic interstitial nephritis	8N strong	8G strong		Death
5	68	♀	Diabetic nephropathy	12N moderate		12PD strong	Death
6	36	♂	Chronic interstitial nephritis	14N moderate			Transplantation
7	64	♂	Chronic interstitial nephritis	15N strong	15G strong		Uneventful PD
8	42	♀	Chronic interstitial nephritis	17N strong			Transplantation
9	60	♂	ADPKD	19N moderate			Transplantation
10	34	♂	Glomerulonephritis	25N strong	25G strong	25PD strong	Transplantation
11	77	♀	ADPKD			26PD strong	Death
12	68	♂	Glomerulonephritis	27N strong	27G strong		Uneventful PD
13	69	♂	Glomerulonephritis	35N strong	35G strong		1 episode of culture-negative peritonitis
14	68	♂	Diabetic nephropathy	36N moderate			Transplantation
15	69	♂	Glomerulonephritis		47G strong		Uneventful PD
16	58	♂	Hypertensive nephropathy		48N strong		Death
17	65	♂	Diabetic nephropathy	58N strong			Death
18	81	♂	Chronic interstitial nephritis	59N weak	59G weak		Death
19	26	♀	Glomerulonephritis	67N weak	67G moderate	67PD moderate	2 episodes of peritonitis (1 Streptococcus spp., 1 culture-negative)
20	47	♂	Glomerulonephritis	70N strong			Transplantation
21	49	♂	Diabetic nephropathy	71N moderate	71G moderate	71PD moderate	Death
TOTAL n (%)				18 (53%)	11 (32%)	5 (15%)
S. aureus Strain Count
Biofilm Production n (%)			Strong	10 (56%)	8 (73%)	3 (60%)
			Moderate	6 (33%)	2 (18%)	2 (40%)
			Weak	2 (11%)	1 (9%)