The technique of 3D reconstruction combining with biochemistry to build an equivalent formula of indocyanine green (ICG) clearance test to assess the liver reserve function

Table 4 The results of multiple linear regression analysis

Variables	β	SE	T	p-value	R²
The relationship of ICG-R15 combined with SNLR before PSM
TB	0.360	0.046	7.769	< 0.001	0.507
ALB	− 0.780	0.093	− 8.361	< 0.001
SNLR	7.783	2.270	3.429	0.001
PT	0.794	0.356	2.235	0.026
PLT	− 0.016	0.006	− 2.535	0.012
ALT	− 0.039	0.011	− 3.508	0.001
AST	0.043	0.013	3.222	0.001
Constant	23.846	6.723	3.547	< 0.001
The relationship of ICG-R15 combined with SNLR after PSM
SNLR	15.638	1.622	4.152	< 0.001	0.119
Constant	6.734	2.058	3.853	< 0.001	0.119
The relationship of ICG-R15 based on serology
TB	0.382	0.047	8.202	< 0.001	0.487
ALB	− 0.799	0.095	− 8.435	< 0.001
PLT	− 0.025	0.006	− 4.385	< 0.001
PT	1.058	0.353	2.004	0.003
ALT	− 0.045	0.011	-4.016	< 0.001
AST	0.048	0.013	3.624	< 0.001
Constant	24.665	6.841	3.605	< 0.001

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