Short-term outcomes of robotic liver resection: An initial single-institution experience

Table 1 Patient demographics and chronic preoperative conditions, n (%)

Sex (female)	18 (45)
Age (yr)	59.6 ± 11.8
BMI	29.4 ± 4.7
ASA class
ASA I	3 (7.5)
ASA II	13 (32.5)
ASA III	24 (60)
Previous abdominal surgery	17 (42.5)
Chronic liver disease	12 (30)
History of type 2 diabetes	14 (35)
History of hypertension	22 (55)
Chronic respiratory disease	7 (17.5)
Chronic cardiac disease	7 (17.5)
Chronic renal disease	2 (5)
Viral infection
HCV	5 (17.5)
HBV	1 (2.5)
Benign/malignant	11 (27.5)/29 (72.5)

BMI: Body mass index; ASA: American Society of Anesthesiologists; HCV: Hepatitis C virus; HBV: Hepatitis B virus.