Table 3.

Univariate and multivariate logistic regression model for the variables associated with the presence of primary aldosteronism in patients suspected of OSA.

Variables Included in Multivariable Model	Univariate	P	Multivariate	P
Age (y)	1.03 (0.99–1.06)	.16
Moderate-to-severe OSA	3.12 (1.35–7.24)	.008	2.89 (1.20–6.96)	.018
Sex*	4.05 (1.35–12.14)	.012	3.74 (1.21–11.60)	.022
Resistant HT	2.35 (1.05–5.28)	.038	—	—
Sodium concentration for 1 mmol/L increment	1.19 (1.00–1.41)	.047	1.23(1.02–1.48)	.027
Increased neck circumference†	2.45 (1.03–5.83)	.042	—	—

Values presented as odds ratios (95% confidence intervals). *Men. †Neck circumference ≥ 41 cm for woman or ≥ 43 cm for men. HT = hypertension, OSA = obstructive sleep apnea.