Our initial single port robotic cholecystectomy experience: A feasible and safe option for benign gallbladder diseases

Table 1 Demographic and perioperative data of the patients

Characteristic	Parameter
Age, yr	Min-Max: 26-73	Median: 48	mean ± SD: 49.5 ± 11.6
BMI, kg/m2	Min-Max: 20.2–40.9	Median: 29.3	mean ± SD: 29.7 ± 5.2
Operation time, min	Min-Max: 60-207	Median: 93.5	mean ± SD: 101.2 ± 27.0
Amount of bleeding, mL	Min-Max: 15-250	Median: 50	mean ± SD: 58.4 ± 55.8
Length of hospital stay, d	Min-Max: 1-3	Median: 1	mean ± SD: 1.4 ± 0.6
Sex	Female	26	65
	Male	14	35
ASA score	I	15	37.5
	II	18	45
	III	7	17.5
Umbilical hernia	Present	24	60
	Absent	16	40
Drain	Present	12	30
	Absent	28	70
Graft	Present	14	35
	Absent	26	65
Postoperative complication	Present	14	35
	Absent	26	65
Readmission	Present	1	2.5
	Absent	39	97.5

Parameter data are presented as n and %, unless otherwise indicated. ASA: American Society of Anesthesiologists; BMI: Body mass index; SD: Standard deviation.