Table 2. Correlation between GcfDNA percentages and conventional liver function tests in adult liver transplant patients (acute rejection, HCV+, or stable).

GcfDNA	AST	ALT	γ-GT	Bilirubin
GcfDNA percentage	0.46 (0.37–0.55)	0.62 (0.54–0.68)	0.45 (0.36–0.54)	0.28 (0.17–0.38)
p-Value	<0.0001	<0.0001	<0.0001	<0.0001

Spearman correlation coefficients are given with 95% CIs; 317 samples.

GcfDNA, graft-derived cell-free DNA; HCV, hepatitis C virus.