Scoring criteria for determining the safety of liver resection for malignant liver tumors

Table 6 Characteristics of the patients and simple standard liver volume formulae based on a mean body surface area of 1.61

Authors	Mean age ± SD (range)	BSA	Simple formulae (tentative mean BSA = 1.61)	ICC	Clusters
DeLand et al[29]	ND	ND	LV = 883 × BSA	0.75	B
Urata et al[30]	11.1 ± 8.8	1.078 ± 0.528 (0.248–1.935)	LV = 707 × BSA	0.71	A
Murry et al[31]	9.7 (3.3–18.8)	Median: 1.37 (0.57–2.0)	LV = 710 × BSA	0.71	A
Heinemann et al[32]	50.6±18.9	ND	LV = 858 × BSA	0.75	B
Vauthey et al[33]	Mean: 54, Median: 56 (14-90)	Median: 1.82 (1.32–2.90)	LV = 770 × BSA	0.74	B
Yoshizumi et al[34]	38.6 ± 20.6 (0–87) for males; 47.0 ± 19.7 (0–85) for females	1.86 ± 0.36 (0.24-2.88); 1.68 ± 0.28 (0.28-2.38)	LV = 772 × BSA	0.74	B
Yu et al[24]	42.4 ± 16.5	1.65 ± 0.26	LV = 831 × BSA	0.74	B
Hashimoto et al[35]	(17-66)	1.67 ± 0.18 (1.25-2.56)	LV = 710 × BSA	0.71	A
Chandramohan et al[25]	46.5 (10-70)	Median: 1.60 (0.88-2.25)	LV = 774 × BSA	0.73	B
Saeki et al[36]	5.8 (0 d-15)	ND	LV = 675 × BSA	0.70	A
Our study	67.0 ± 10.3	1.61 ± 0.18	LV = 709 × BSA	0.71	A

ICC: Intraclass correlation coefficient; BSA: Body surface area; ND: Not describe; LV: Liver volume.