Table 1.

 Biofilm formation and esp gene in enterococcal isolates

Enterococcus species	Biofilm+/esp+	Biofilm+/esp−	Biofilm−/esp+	Biofilm−/esp−
VR E faecium	0	0	0	5
VR E faecalis	0	0	0	2
VS E faecium	2	1	3	6
VS E faecalis	5	1	0	8

VR, vancomycin resistant; VS, vancomycin susceptible.