Table 2.

Bivariate and multivariate relationships of the MPV in patients with obstructive sleep apnea syndrome.

Variables	Pearson's correlation coefficient	P-value	Standardized β regression coefficients	P-value
BMI (kg/m2)	0.167	0.020	0.043	0.629
SBP (mmHg)	0.355	<0.001	0.131	0.123
Total cholesterol (mg/dl)	0.224	0.002	0.080	0.299
Hs-CRP (mg/dl)	0.189	0.011	0.194	0.010
Platelet count	−0.360	<0.001	−0.188	0.014
ODI	0.557	<0.001	−0.023	0.835
AHI	0.683	<0.001	0.500	<0.001

^aMultiple linear regression analysis

Abbreviations: AHI: apnea-hypopnea index, SBP: systolic blood pressure, DBP: diastolic blood pressure, BMI: body mass index, ODI: oxygen desaturation index, HDL: high-density lipoprotein cholesterol, LDL: low-density lipoprotein cholesterol, WBCs: white blood cells, MPV: mean platelet volume, Hs-CRP: high-sensitivity C-reactive protein, LAD: left atrial diameter, LVID: left ventricle internal diameter, EF: ejection fraction