Table 1.

Patient demographics

	LESS-ARA	Standard ARA	p Value
No. of patients	19	38
Median age: years (Q1, Q3)	57.0 (54.0, 62.0)	57.0 (53.0, 62.0)	0.96
Male/female	8/11	21/17	0.35
Median BMI (Q1, Q3)	29.8 (26.9, 33.1)	29.0 (25.0, 33.4)	0.65
Median ASA score (Q1, Q3)	2 (2, 3)	2 (2, 3)	0.85
Laterality (right/left)	10/9	15/23	0.35
Median tumor size: cm (Q1, Q3)	2.1 (1.9, 2.6)	3.0 (2.0, 3.5)	0.18
No. with adrenal disease			0.86
Primary aldosteronism	7	15
Cushing’s syndrome	4	11
Nonfunctional tumor	5	7
Pheochromocytoma	3	5

LESS-ARA laparoendoscopic single-site retroperitoneoscopic adrenalectomy, BMI body mass index