Table 4.

Comparison with previously published experiences with single-minimal-incision adrenalectomy

	Kageyama et al. [21]	Hirano et al. [19]	Castellucci et al. [17]	Cindolo et al. [18]	Walz and Alesina [20]	Current study
No. of patients	30	54	1	1	5	19
Tumor size: cm (range)	2.7 (0.5–6.5)	2.6 (0.5–4.5)	4.5	4.0	2.9 (1.0–4.0)	2.4 (1.6–4.0)
BMI	24.1(17.3–28.8)	24.5 ± 3.6	–	29.7	–	29.6 (22.8–36.5)
Approach	Lateral retroperitoneal	Lateral retroperitoneal	Lateral transperitoneal	Lateral transperitoneal	Posterior retroperitoneal	Lateral retroperitoneal
Length of incision: cm (range)	5.6 (3–9)	4.5	2.0	3.0	1.5	2.7 (2.5–3.0)
Operation time: min (range)	147 (83–240)	203 (92–320)	120	240	54 (35–70)	61.6 (38–120)
EBL: ml (range)	139 (5–470)	252 (10–1700)	125	20	<20	53.2 (5–200)
Comments	Gasless, portless endoscopic	Gasless, via a 4-cm-diameter and 13.7-cm-length rectoscope	Three 5-mm ports inserted through a single incision	First case of an adrenalectomy with a single multilumen port	Two-port single-incision, with one surgeon handling the camera and one instrument

Data are given as the means and range