Oxidative stress mediated arterial dysfunction in patients with obstructive sleep apnoea and the effect of continuous positive airway pressure treatment

Table 3 Correlations between AHI and some clinical and metabolic characteristics

	AHI
	r	P
Age	0.132	NS
Average SaO ₂	-0.386	<0,01
Body Mass Index (kg/m²)	0.271	<0,01
Waist circumference (cm)	0.294	<0.001
Hip circumference (cm)	0.295	<0.001
Blood glucose (mg/dl)	0.015	NS
Insulin (μU/mL)	0.249	<0.01
HOMA-IR	0.284	<0.01
Total cholesterol (mg/dl)	-0.034	NS
LDL-cholesterol (mg/dl)	-0.102	NS
HDL-cholesterol (mg/dl)	-0.055	NS
Triglycerides (mg/dl)	0.056	NS
Urinary 8-iso-PGF2α (pg/mg creatinine)	0.298	<0.001
sNOX2-dp (pg/ml)	0.013	NS
Serum NOx (uM/ml)	-0.135	NS
FMD%	-0.166	NS
Metabolic score	0.159	NS

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