Table 2.

Clinical Features of Tissue Samples Used in Serum RARRES2 Expression Assessment

	Healthy Controls	Benign Adrenocortical Tumor	ACC
Number of patients	21	53	20
Age (average ± SD)	45.8 ± 12.9	47.8 ± 15.6	50.2 ± 10.5
Sex (female/male)	10/11	32/21	12/8
Type of tumor		Primary	1 primary, 3 locoregional recurrence without distant metastasis, 16 locoregional recurrence with distant metastasis
Syndromea
Adrenal hypercortisolism		27	6
Subclinical adrenal hypercortisolism		2	0
Primary hyperaldosteronism		21	1
Nonfunctioning		3	13

^aFunctional status at initial presentation.