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Figure 3 Kaplan-Meier two-year survival as a function of prognostic score in the overall population (p < 0.0001 [log-rank] across scores). Bars = 95% confidence intervals. These bars are centered at the mean prognostic score values of seven subgroups (mean value and number of patients): 1) 34.4, n = 387; 2) 42.3, n = 710; 3) 49.1, n = 1,528; 4) 55.3, n = 909; 5) 60.2, n = 601; 6) 65.9, n = 458; and 7) 74.9, n = 163.