Table 4.

Linear regression analysis according to salivary flow rate.

	B	SE	Beta	t	P	R2	p
						33%	< 0.001
AHI	0.001	0.009	0.007	0.104	0.917
Age	− 0.020	0.014	− 0.096	− 1.405	0.162
Sex (Male = 0)	− 0.886	0.363	− 0.154	− 2.442	0.016
BMI	0.016	0.035	0.034	0.472	0.638
Salivary calcium	− 1.833	0.820	− 0.215	− 2.236	0.027
Salivary phosphate	− 0.145	0.091	− 0.155	− 1.586	0.115
Salivary magnesium	− 3.238	2.972	− 0.143	− 1.089	0.278
Ca/Mg	0.504	0.153	0.329	3.293	0.001
Ca/PO4	− 0.643	0.851	− 0.048	− 0.756	0.450
Mg/PO4	− 2.884	6.680	− 0.032	− 0.432	0.666
Salivary cortisol	− 0.150	0.056	− 0.176	− 2.670	0.008
Hypertension	0.600	0.385	0.109	1.558	0.121
DM II	− 0.531	0.505	− 0.070	− 1.051	0.295

Unstandardized beta (B); Standard error for the unstandardized beta (SE); Standardized beta (β); T-test statistic (t); Coefficient of determination (R²); Probability value (p).