New formula for predicting standard liver volume in Chinese adults

Table 4 Differences between total liver volume and standard liver volume approximated by various formulas

Study	Mean SLV-TLV, in cm3	Mean error, as %	P value	Root of the mean PRESS	ICC
Urata et al[11], 1995	37.45	6.95	0.066	225.72	0.668
Johnson et al[23], 2005	232.94	22.92	< 0.001	216.79	0.668
Poovathumkadavil et al[19], 2010	169.96	10.82	< 0.001	216.67	0.686
Lin et al[24], 1998	271.54	25.74	< 0.001	225.40	0.652
Chan et al[25], 20061,2	-165.31	-10.82	< 0.001	216.60	0.686
Yuan et al[26], 20083	104.16	11.72	< 0.001	216.03	0.672
Fu-Gui et al[27], 2009	-103.28	-5.35	< 0.001	218.85	0.686
Our new SLV, 2016	8.10	4.17	0.680	219.43	0.679

¹The formula can be directly converted into TLV from liver weight because liver density is 1 g/mL;

²Sex factor: male = 1 and female = 2;

³Age factor: < 40 yr = 1, 41-60 yr = 2, and > 60 yr = 3. SLV: Standard liver volume; TLV: Total liver volume.