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

Table 2 Demographic and perioperative data of our last 40 consecutive laparoscopic cholecystectomy patients

Feature		Value
Average age, yr		45.5
BMI, kg/m2		28.7
Operation time, min		54
Amount of bleeding, mL		10
Length of hospital stay, d		1
Sex	Female	15
	Male	25
ASA score	I	14
	II	23
	III	3
Umbilical hernia	Absent	39
	Present	1
Drain	Absent	36
	Present	4
Graft	Absent	40
	Present	0
Postoperative complication	Absent	37
	Present	3
Readmission	Absent	40
	Present	0

ASA: American Society of Anesthesiologists; BMI: Body mass index.