. 2022;15(Suppl 2):S212–S220. doi: 10.5005/jp-journals-10005-2162

Table 3.

Pair-wise comparisons of three study groups with respect to Streptococcus mutans level at baseline, 15 days, 1st month, 2nd month, and 3rd month

Time	Group	Versus group	Mann-Whitney U value	Z value	p value
Baseline	Xylitol	Xylitol + IgY	270.00	-0.106	0.570^a
	Xylitol	Control	324.00	−0.586	0.676^a
	Xylitol + IgY	Control	735.000	−0.627	0.531^a
15 days	Xylitol	Xylitol + IgY	50.500	−6.984	0.000^b
	Xylitol	Control	35.500	−7.140	0.000^b
	Xylitol + IgY	Control	0.500	−7.500	0.000^b
1st month	Xylitol	Xylitol + IgY	0.000	−7.506	0.000^b
	Xylitol	Control	0.000	−7.507	0.000^b
	Xylitol + IgY	Control	0.000	−7.505	0.000^b
2nd month	Xylitol	Xylitol + IgY	0.000	−7.511	0.000^b
	Xylitol	Control	0.000	−7.509	0.000^b
	Xylitol + IgY	Control	0.000	−7.508	0.000^b
3rd month	Xylitol	Xylitol + IgY	0.000	−7.515	0.000^b
	Xylitol	Control	0.000	−7.507	0.000^b
	Xylitol + IgY	Control	0.000	−7.514	0.000^b

a = non-significant difference

b = statistically highly significant difference (p < 0.01)