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. 2024 Nov 28;6(1):vdae176. doi: 10.1093/noajnl/vdae176

Figure 1.

Figure 1.

Patient flow in this retrospective study. GB, glioblastoma; KPS, Karnofsky Performance Status; *One patient was over 80 years old and had a KPS score of <60. A total of 537 patients in the whole series and 330 patients after propensity score matching (PSM) were analyzed. Logistic regression analysis was conducted to identify determinants of TTField usage, while multivariate analysis using the Cox proportional hazards model was performed to estimate the effectiveness of TTFields in the whole series. Kaplan–Meier analysis with the log-rank test was used to estimate the effectiveness of TTFields in the PSM group.