Perioperative liver and spleen elastography in patients without chronic liver disease

Table 1 Patient characteristics

	No resection	Minor resection	Major resection
No. of patients	4	16	15
Gender (male:female)	1:3	8:8	8:7
Age (yr)	69 (56-76)	75 (66-79)	66 (50-74)
BMI (kg/m²)	23.5 (21.4-28.6)	24.7 (21.8-26.8)	26.8 (25.2-28.7)
Weight (kg)	64 (53-86)	72 (63-83)	78 (70-90)
ASA physical status (1/2:3/4)	3:1	10:6	10:5
Preoperative bilirubin (µmol/L)	5 (4-7)	6 (5-10)	7 (6-11)
Preoperative INR	1.0 (0.9-1.0)	1.0 (0.9-1.1)	1.0 (1.0-1.1)
Diagnosis
Colorectal metastases	3	13	11
Other malignant tumors	0	2	3
Benign tumors	1	1	1
Number of hepatic tumors	5 (1-7)	1 (1-2)	2 (2-6)
Largest hepatic tumor (mm)	42 (17-57)	30 (10-45)	30 (23-51)
Preoperative chemotherapy	2	6	12
Oxaliplatin-based therapy	2	4	9
Liver lobe operated (right lobe:left lobe:both lobes)	-	7:4:5	7:0:8
Operating time (h)	2.5 (2-3)	3 (3-5.5)	6 (4.5-7)
Operative bleeding (mL)	125 (100-150)	275 (150-500)	650 (400-1100)
Length of hospital stay (d)	3 (2-6)	6 (3-9)	6 (5-7)
Liver parenchyma damage
Steatosis	-	0	1
Steatohepatitis	-	0	0
SOS	-	0	0

Data are presented as number or median (interquartile range). BMI: Body mass index; ASA: American Society of Anesthesiologists; INR: International normalized ratio; SOS: Sinusoidal obstruction syndrome.