Table 3.

Odds Ratio of Prevalence of Individual Components of Metabolic Syndrome Per 5% Decrease in Resting Daytime SpO₂ Adjusted for Multiple Variables

	Model adjusted for age, sex, excessive erythrocytosis, wealth index, and site			Model adjusted for age, sex, excessive erythrocytosis, wealth index, site, and residuals of BMI
	OR	95% CI	p	OR	95% CI	p
Metabolic syndrome	1.35	1.07–1.72	<0.01	1.45	1.10–1.90	<0.01
Waist circumference ≥90 cm in men and ≥80 in women	1.29	1.01–1.66	<0.05
Systolic blood pressure ≥130 mmHg and/or diastolic blood pressure ≥85 mmHg	0.77	0.59–1.03	0.08	0.76	0.57–1.02	0.07
HDL <40 mg/dL in males and <50 mg/dL in females	1.21	0.95–1.54	0.12	1.27	0.98–1.63	0.07
Triglycerides ≥150 mg/dL	1.04	0.77–1.40	0.79	1.04	0.77–1.40	0.82
Fasting glucose ≥100 mg/dL	1.07	0.79–1.45	0.65	1.07	0.79–1.45	0.68
Other cardiovascular risk factors
Systolic blood pressure ≥140 mmHg	0.98	0.66–1.45	0.91	0.97	0.64–1.46	0.87
Diastolic blood pressure ≥90 mmHg	0.82	0.56–1.21	0.32	0.79	0.53–1.18	0.25
LDL ≥160 mg/dL	1.09	0.79–1.52	0.59	1.09	0.79–1.52	0.60
hs-CRP ≥3 mg/L	1.46	1.09–1.96	0.01	1.59	1.17–2.15	<0.01
Fasting insulin >25 mIU/L	1.55	0.77–3.14	0.22	1.31	0.62–2.77	0.48
Fasting glucose ≥126 mg/dL	0.98	0.56–1.70	0.94	0.96	0.55–1.68	0.88
Hemoglobin A1c ≥6.5%	1.66	1.09–2.51	<0.04	1.66	1.09–2.54	0.02
HOMA-IR >2 mass units	1.29	1.00–1.67	<0.05	1.31	0.98–1.74	0.07
Diabetes	1.12	0.67–1.87	0.67	1.08	0.64–1.83	0.77