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(A) Overall survival hazard rate for 114 patients receiving eflornithine–PCV (solid line) and 114 patients receiving procarbazine, lomustine, vincristine (dashed line). (B) Shows the log hazard ratio (solid line) and 95% CI (dashed line). The Cox model fit between 0 and 2.5 years had a hazard ratio = 0.49 and p = 0.004 (see Table 2).
