Association of overall survival and PAP-specific (A, B) and PA2024-specific (C, D) CTL activity at week 26 using categorical (tertile) analysis and continuous variable analysis (N = 22). Association of overall survival and PAP-specific (A, B) and PA2024-specific (C,D) CTL activity at week 26 using categorical (tertile) analysis and continuous variable analysis (N = 22). Kaplan–Meier survival curves were plotted based on CTL responses at week 26 as a categorical variable (tertile analysis) and as a continuous variable. Higher PA2024-specific CTL activity at week 26 was significantly associated with longer OS (P = 0.0005 for categorical variable analysis and P = 0.031 for continuous variable analysis). Emmanuel S. Antonarakis et al. Clin Cancer Res 2018;24:4662-4671 ©2018 by American Association for Cancer Research