Stage
Stage was highly predictive of outcome on both univariate (p<0.001) and multi-variate analysis, especially for patients with stage 3 (p=0.017) and stage 4 (p<0.001) disease. Table 2 shows the 5-year OS and EFS by stage. The Kaplan-Meier curves are shown for OS (Fig. 3) and EFS (Fig. 4).