Table 4. Correlation of carotid IMT with demographic, clinic and PSG findings (n=90).

Parameters	IMT measurements
	r	P
Age	0.437	<0.001
BMI	0.411	<0.001
Systolic BP	0.464	<0.001
Diastolic BP	0.454	<0.001
Total cholesterol	0.156	0.142
Triglyseride	0.177	0.096
HDL cholesterol	–0.107	0.313
LDL cholesterol	0.025	0.815
Smoking	0.03	0.981
Hypertension	0.361	<0.001
Diabetes mellitus	0.176	0.97
Hypercholesterolemia	0.127	0.232
AHI	0.430	<0.001
ODI	0.418	<0.001
T90	0.355	0.001
Min. SpO2	–0.363	<0.001
Mean SpO2	–0.359	0.001

PSG, polysomnography; BMI, body mass index; IMT, intıma-media thickness; AHI, apnea-hypopne index; ODI, oxygen desaturation index; T90, which is the percentage of the total sleep time with oxygen saturation below; Mean SpO₂, mean oxygen saturation at sleep; Min. SpO₂, minimum oxygen saturation at sleep; ESS, epworth sleepiness scale.