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. 2017 Mar 13;8(17):28641–28649. doi: 10.18632/oncotarget.16162

Table 2. Correlations between noninvasive markers and liver fibrosis stages.

Variables Spearman's r P value
GGT (IU/L) 0.57 < 0.001
Platelet count (109/L) −0.32 < 0.001
GPR 0.60 < 0.001
APRI 0.39 < 0.001
FIB-4 0.25 0.004

GGT, gamma-glutamyl transpeptidase; GPR, GGT to platelet ratio index; APRI, aspartate transaminase to platelet ratio index; FIB-4, fibrosis index based on 4 factors; Spearman's r, correlation coefficient.