TABLE 2.

Average OD for six serotypes of L. monocytogenes based on a crystal violet destaining biofilm assay

Serotype	Assay results
	Mean OD	SD	Range	Sample size
1/2a	0.713	0.381	1.90-0.22	35
1/2b	0.534	0.236	1.08-0.28	11
1/2c	0.774	0.354	1.35-0.22	9
3a	0.939	0.653	1.40-0.48	2
4b	0.537	0.366	1.53-0.09	20
4c	0.695	0.580	1.15-0.04	3