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. 2022 Jan 28;4(1):vdac007. doi: 10.1093/noajnl/vdac007

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© The Author(s) 2022. Published by Oxford University Press, the Society for Neuro-Oncology and the European Association of Neuro-Oncology.

This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial License (https://creativecommons.org/licenses/by-nc/4.0/), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is properly cited. For commercial re-use, please contact journals.permissions@oup.com

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Figure 3. — Elderly Glioblastoma Surgical Score (EGSS) and Elderly Glioblastoma Oncological (EGOS) based on the results of multivariate Cox proportional hazards analysis. Adjusted for the effect of other variables, Cox proportional hazards model (A) demonstrated significant direct effect of age 75–80, age 80+, biopsy alone, subtotal resection, gross-total resection, MGMT methylation status, RT60/30+TMZ, RT40/14+TMZ, no CRT, PS = 0–1 and PS = 4 on survival of elderly glioblastoma patients (P < .05). EGSS (B) and EGOS (C) survival scores were devised based on variables with significant direct survival impact identified in the Cox proportional hazards model. HR, adjusted hazard ratio; 95% CI, 95% confidence interval; PS, WHO performance status.