Table 2. Pairwise comparison of antimicrobial efficacy of Streptococcus mutans against a control group.

The p-value was significant at 0.05; the p-value was derived from the multiple comparisons of the Tukey HSD Test.

HSD: honestly significant difference

Pair-wise comparison	Mean difference	95% Confidence interval		p-value
		Lower	Upper
Group I vs. control	0.377	0.375	0.378	0.001*
Group II vs. control	0.401	0.400	0.402	0.001*
Group III vs. control	0.560	0.559	0.561	0.001*
Group IV vs. control	0.332	0.331	0.333	0.001*
Group V vs. control	0.368	0.367	0.369	0.001*
Group VI vs. control	0.505	0.504	0.506	0.001*