Table 1.

Statistical significance with post hoc comparisons of different specimens treated with different concentration of QAS molecule and CHX based on Fisher’s protected least significant difference.

	Biofilm Specimens	1	2	3	4	5	6	7	8	9	10
n = 3	S Mutans/ Lactobacillus/Control	p = 0.065
		p = 0.094	p = 0.002 5.18 × 107
		p = 0.031 6.24 × 109	p = 0.001	p = 0.154
n = 3	S Mutans/ Lactobacillus/1%QAS	p = 0.05	p = 0.87	p = 0.001	p = 0.673
		p = 0.003	p = 0.004	p = 0.431	p = 0.299	p = 0.555
		p = 0.023	p = 0.001	p = 0.001	p = 0.034	p = 0.001	p = 0.011
n = 3	S Mutans/ Lactobacillus/2%QAS	p = 0.041	p = 0.003	p = 0.001	p = 0.001	p = 0.001	p = 0.001	p = 0.032
		p = 0.81	p = 0.42	p = 0.001	p = 0.029	p = 0.41	p = 0.001	p = 0.001	p = 0.011
		p = 0.11	p = 0.122	p = 0.042	p = 0.001	p = 0.001	p = 0.001	p = 0.001	p = 0.001	p = 0.001
n = 3	S Mutans/ Lactobacillus/2%CHX	p = 0.11	p = 0.04	p = 0.54	p = 0.71	p = 0.05	p = 0.31	p = 0.03	p = 0.54
		p = 0.21	p = 0.81	p = 0.01	p = 0.001	p = 0.42	p = 0.001	p = 0.3
		p = 0.04	p = 0.001	p = 0.005	p = 0.6	p = 0.62	p = 0.03

The bold indicates the statistically significant p values.