Table 3.

Biofilm optical density values for Staphylococcus aureus, Viridans streptococcus species, Klebsiella pneumoniae, and Escherichia coli

Bacteria	Optical density (mean ± standard deviation)
Isolates	1	2	3	4	5	6	7	8	9	10
Staphylococcus aureus	0.57 (±0.31)	0.77 (±0.25)	1.11 (±0.04)	1.48 (±0.01)	1.50 (±0.27)	1.52 (±0.09)	1.56 (±0.09)	1.57 (±0.10)	1.59 (±0.39)	1.66 (±0.19)
Viridans streptococcus species	0.85 (±0.20)	1.51 (±0.23)	1.52 (±0.26)	.95 (±0.28)	1.54 (± 0.38)	1.50 (±0.52)	1.50 (±0.35)	1.53 (±0.22)	1.16 (±0.09)	0.98 (±0.37)
Klebsiella pneumoniae	0.45 (±0.05)	1.51 (±0.02)	.56 (±0.01)	.40 (±0.05)	1.49 (± 0.01)	.76 (±0.04)	.80 (±0.02)	.47 (±0.01)	0.91 (±0.02)	0.65 (±0.07)
Escherichia coli	1.50 (±0.02)	0.49 (±0.03)	0.40 (±0.05)	1.58 (±0.01)	1.62 (± 0.06)	0.80 (±0.1)	0.56 (±0.05)	1.47 (±0.03)	0.62 (±0.06)	1.1 (±0.02)