Surface-Treated versus Untreated Large-Bore Catheters as Vascular Access in Hemodialysis and Apheresis Treatments

Table 3

Microbiological examinations of 105 untreated and 54 surface-treated catheters.

Microorganisms	Untreated (𝑛)	%	Treated (𝑛)	%	𝑃 value
Negative	47	45	26	48	n.s.
S. aureus	31	29	21	38	n.s.
S. epidermidis	7	7	1	2	n.s.
Pseudomonas	1	1	0	0	n.s.
Enterobacter	1	1	1	2	n.s.
Others	18	17	5	10	n.s.