Biofilm Formation by Pathogens Causing Ventilator-Associated Pneumonia at Intensive Care Units in a Tertiary Care Hospital: An Armor for Refuge

Table 3

Biofilm production by the organisms isolated.

Organism isolated	Biofilm		Total
	Nonproducer	Producer
P. aeruginosa	8 (11.3%)	14 (19.7%)	22 (31.0%)
Acinetobacter calcoaceticus baumannii complex	5 (7.0%)	7 (9.9%)	12 (16.9%)
Klebsiella pneumoniae	5 (7.0%)	7 (9.9%)	12 (16.9%)
Citrobacter freundii	5 (7.0%)	6 (8.5%)	11 (15.5%)
Citrobacter koseri	1 (1.4%)	1 (1.4%)	2 (2.8%)
Escherichia coli	2 (2.8%)	2 (2.8%)	4 (5.6%)
Staphylococcus aureus	3 (4.2%)	2 (2.8%)	5 (7.0%)
Enterococcus faecalis	0	1 (1.4%)	1 (1.4%)
Burkholderia cepacia complex	1 (1.4%)	0	1 (1.4%)
Candida albicans	1 (1.4%)	0	1 (1.4%)
Total	31 (43.7%)	40 (56.3%)	71 (100.0%)