Research Article

Novel Value of Preoperative Gamma-Glutamyltransferase Levels in the Prognosis of AFP-Negative Hepatocellular Carcinoma

Figure 1

The cutoff points of the preoperative GGT level in AFP-negative HCC patients using X-tile plots. Group 1 was defined as ; group 2: and <102.8 U/L; group 3: . (a) The cutoff points are highlighted by black/white circles. (b) The three subgroups are indicated on a histogram including the entire cohort. (c) A Kaplan-Meier curve of overall survival (group 1 vs. group 2 vs. group 3, 58.5 vs. 53.5 vs. 44.4 months, all ). (d) A Kaplan-Meier curve of disease-free survival (group 1 vs. group 2 vs. group 3, 47.9 vs. 40.3 vs. 30.1 months, all ).
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