TABLE 4. Number of volunteers that presented Enterobacteriaceae, Pseudomonadaceae and Moraxellaceae on the tongue dorsum according to the tongue coating area.

Area	Positive Cases		Negative Cases		Total
	n	%	n	%	N
0	7	16.28	10	17.55	17
1	26	60.46	38	66.66	64
2	8	18.6	9	15.79	17
3	2	4.66	0	0	2

Chi-square Test (χ2 =2.936), (p=0.4016).