Kaplan-Meier curves for pre-therapeutic GGT levels groups A and B (n = 73, upper line) vs. C and D (n = 41, lower line) and overall survival (<i>P-value</i> for log-rank test <0.041).

<p>Kaplan-Meier curves for pre-therapeutic GGT levels groups A and B (n = 73, upper line) vs. C and D (n = 41, lower line) and overall survival (<i>P-value</i> for log-rank test <0.041).