. 2023 Apr 6;14(4):201. doi: 10.3390/jfb14040201

Table 3.

Comparison of optical density in groups I and II for S. mutans and F. nucleatum.

S. mutans	Group	Optical Density		Z Value	p Value ª
S. mutans	Group	Median	Interquartile Range	Z Value	p Value ª
Optical density at 660 nm at 660 nm	Group I	0.2725	0.2558–0.2898	−3.784	0.001 *
Optical density at 660 nm at 660 nm	Group II	1.8540	1.7290–1.9758	−3.784	0.001 *
Optical density at 530 nm at 530 nm	Group I	0.0870	0.0828–0.0890	−3.787 −3.787	0.001 *
Optical density at 530 nm at 530 nm	Group II	0.6225	0.5715–0.7090	−3.787 −3.787	0.001 *
*F. nucleatum*	Group	Optical Density		Z Value	p Value ª
*F. nucleatum*	Group	Median	Interquartile Range	Z Value	p Value ª
Optical density at 660 nm	Group I	1.7230	1.6280–1.7990	−0.835	0.436
Optical density at 660 nm	Group II	1.6970	1.6250–1.7260	−0.835	0.436
Optical density at 530 nm	Group I	1.0670	1.0195–1.0908	−1.817	0.075
Optical density at 530 nm	Group II	1.0905	1.0698–1.1280	−1.817	0.075

ª Mann-Whitney U test. * p value < 0.05 was considered statistically significant.