Table 4– Metabolic and biochemical markers in patients and controls without metabolic syndrome

	Controls	OSAS	p-value
Subjects n	86	74
Glucose mg·dL⁻¹	92±15	95±12	0.204
Triglycerides mg·dL⁻¹	114±42	118±47	0.599
Cholesterol mg·dL⁻¹	201±37	207±43	0.313
HDLc mg·dL⁻¹	56±16	55±15	0.767
Creatinine mg·dL⁻¹	0.88±0.15	0.89±0.15	0.811
Uric acid mg·dL⁻¹	4.8±1.5	5.5±1.3	0.023
AST U·L⁻¹	21±6	21±7	0.723
ALT U·L⁻¹	26±15	25±11	0.676
GGT U·L⁻¹	29±25	33±25	0.358
CRP U·L⁻¹	1.4 (0.5–3.2)	2.0 (0.8–3.8)	0.01
8-isoprostanes U·L⁻¹	4.8 (1.4–9.4)	12.0 (6.7–21.2)	0.001
FFAs mg·dL⁻¹	10.0±4.4	11.6±4.7	0.04

Data are presented as mean±sd or median (interquartile range), unless otherwise stated. OSAS: obstructive sleep apnoea syndrome; HDLc: high-density lipoprotein-cholesterol; AST: aspartate aminotransferase; ALT: alanine aminotransferase; GGT: γ-glutamyltransferase; CRP: C-reactive protein; FFA: free fatty acid.