Table 2.

Evaluation of the breathing type according to test 1 (steam on the Glatzel plate) and test 2 (time span with water in the mouth and lips sealed) results.

	Type of breathing
Results from tests 1 and 2	Nasal		Oral		Whole group		p value
	n	%	n	%	n	%
1 – Steam on the Glatzel metal plate face
Upper	70	100,0	76	95,0	146	97,3	p(1) = 0,2483
Lower	-	-	3	3,7	3	2,0
Both	-	-	1	1,3	1	0,7
TOTAL	70	100,0	80	100,0	150	100,0
2 – Time span with water in the mouth and lips sealed
3 minutes	70	100,0	60	75,0	130	86,7	p(1) < 0,0001*
Less than 3 minutes	-	-	20	25,0	20	13,3
TOTAL	70	100,0	80	100,0	150	100,0

^(*)– Significant difference at 5.0%.

⁽¹⁾– Through the Pearson's Chi-Squared test.