Table 2.

Biofilm formation with respect to the species and clinical samples

Species	Blood (n=17)	Urine (n=16)	Pus (n=13)	ETT (n=17)	CVC (n=8)	Number of biofilm formers
Staphylococcus epidermidis (n=28)	5	2	6	4	6	23
S. saprophyticus (n=13)		2				2
S. haemolyticus (n=10)	2	1	2	4		9
S. lugdunensis (n=8)	1		2	2	1	6
S. capitis (n=5)	2		1	2		5
S. warneri (n=4)	1			2		3
S. hominis (n=3)	1			2		3
Total	12	5	11	16	7	51/71

Abbreviations: ETT, endotracheal tube; CVC, central venous catheter.