Molecular epidemiology of coagulase-negative Staphylococcus carriage in neonates admitted to an intensive care unit in Brazil

Table 2 SCC mec frequencies at admission and discharge, among the most prevalent mec A containing strains isolated from neonates from July 2007 through May 2008

SCCmectype	S. epidermidis(%)		S. haemolyticus(%)		S. capitis(%)		S. warneri(%)
SCCmectype	Adm*	Disch**	Adm	Disch	Adm	Disch	Adm	Disch
I	1 (8.3)	7 (9.6)	3 (25.0)	56 (68.3)	0	0	0	1 (50)
II	0	1 (1.4)	0	0	0	0	0	0
III	0	4 (5.5)	1 (8.3)	1 (1.2)	0	2 (11.8)	0	0
IV	3 (25.0)	9 (12.3)	0	1 (1.2)	0	0	0	0
V	1 (8.3)	1 (1.4)	0	0	0	0	0	0
2 types	4 (33.3)	35 (47.9)	2 (16.7)	7 (8.6)	0	15 (88.2)	0	0
3 or more	1 (8.3)	12 (16.4)	4 (33.3)	11 (13.4)	0	0	0	0
Non typeable***	2 (16.8)	4 (5.1)	2 (16,7)	6 (7.3)	0	0	0	1 (50)
Total	12	73	12	82	0	17	0	2

*Adm: Admission.
**Disch: Discharge.
***Nontypeable: Defined as strains harboring the mecA gene, that did not produce amplification of any SCCmec gene.

ISSN: 1471-2334