Table 2.

Differences between PA patients and EHT controls in ¹⁸F-FDG uptake in vascular and nonvascular ROIs

ROI	EHT, Mean ±SD	PA, Mean ±SD	Model 1	Model 2
Ascending aorta (mean TBR)	1.26 ± 0.21	1.42 ± 0.33	P = .108	P = .144
Ascending aorta (max TBR)	1. 96 ± 0.46	2.23 ± 0.78	P = .266	P = .389
Descending aorta (mean TBR)	1.24 ± 0.19	1.51 ± 0.23	P = .004	P = .020
Descending aorta (max TBR)	1.82 ± 0.29	2.32 ± 0.50	P = .003	P = .011
Carotid arteries (mean TBR)	1.11 ± 0.15	1.53 ± 0.74	P = .006	P = .016
Carotid arteries (max TBR)	1.46 ± 0.22	2.16 ± 1.36	P = .007	P = .016
Abdominal aorta (mean TBR)	1.10 ± 0.16	1.34 ± 0.33	P = .033	P = .028
Abdominal aorta (max TBR)	1.69 ± 0.33	1.98 ± 0.46	P = .108	P = .256
Iliac artery (mean TBR)	1.00 ± 0.19	1.33 ± 0.35	P = .003	P = .010
Iliac artery (max TBR)	1.33 ± 0.19	1.76 ± 0.53	P = .001	P = .003
Corpora (mean TBR)	1.19 ± 0.22	1.31 ± 0.11	P = .014	P = .010
Corpora (max TBR)	1.45 ± 0.30	1.62 ± 0.29	P = .032	P = .042
Spleen (mean TBR)	0.85 ± 0.08	0.88 ± 0.07	P = .215	P = .876
Spleen (max TBR)	1.01 ± 0.11	1.04 ± 0.10	P = .351	P = .939
Liver (mean SUV)	2.00 ± 0.24	1.92 ± 0.57	P = .972	P = .698
Liver (max SUV)	2.42 ± 0.30	2.32 ± 0.67	P = .969	P = .680

Model 1: analysis of covariance model with covariate age.

Model 2: analysis of covariance model with covariates age, systolic blood pressure, and diastolic blood pressure.

Abbreviations: EHT, essential hypertension; max, maximum; PA, primary aldosteronism; ROI, region of interest; SUV, standardized uptake value; TBR, target-to-background ratio.