Table 2.

Relationships between serum lipid levels and clinical variables

	Total cholesterol (mmol/l)	HDL-C (mmol/l)	LDL-C (mmol/l)	TG (mmol/)	ApoA1 (g/l)	ApoB (g/l)	LPA (g/l)
Gender (male)	NS	− 0.46	NS	0.25	− 0.32	NS	NS
Age (years)	0.28	NS	NS	0.23	NS	0.23	NS
BMI (kg/m2)	0.21	− 0.42	0.33	0.49	NS	0.32	NS
Hypertension	NS	− 0.26	NS	0.42	NS	NS	NS
Diabetes	NS	NS	NS	0.27	NS	0.31	NS
Smoker	NS	NS	NS	NS	NS	NS	NS
ESS	NS	NS	NS	0.26	NS	NS	NS
CRP (mg/ml)	0.33	− 0.27	0.36	0.35	NS	0.46	NS
TST (min)	NS	NS	NS	0.31	NS	NS	NS
SPT (min)	NS	NS	NS	NS	NS	NS	NS
REM%	NS	NS	NS	NS	NS	NS	NS
AHI (1/h)	NS	− 0.29	NS	0.26	NS	0.21	NS
ODI (1/h)	NS	− 0.38	NS	0.39	NS	0.29	NS
TST90%	0.25	− 0.23	0.22	0.35	NS	0.29	NS
MinSatO2	− 0.29	0.31	− 0.33	− 0.37	NS	− 0.31	NS
AI (1/h)	NS	NS	− 0.24	NS	NS	NS	NS

Spearman’s rho are presented for significant relationships in bold. Non-significant associations are marked as NS

HDL-C high-density lipoprotein cholesterol, LDL-C low-density lipoprotein cholesterol, TG triglyceride, ApoA1 apolipoprotein A1, ApoB apolipoprotein B, LPA lipoprotein (a), BMI body mass index, CRP C-reactive protein, ESS Epworth sleepiness scale, TST total sleep time, SPT sleep period time, REM% percentage of total sleep time spent in rapid eye movement stage, AHI apnoea–hypopnoea index, ODI oxygen desaturation index, TST90% percentage of total sleep time spent with saturation below 90%, MinSatO₂ minimal O₂ saturation, AI arousal index