• Zhong Deng, Xixi Li, Jia Yang, Hai Yu, and Nu Zhang.
• Department of Neurosurgery, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, P. R. China.
• World Neurosurg. 2021 Aug 1; 152: e302-e312.

ObjectiveTo examine the impact of marital status on the mortality of patients with primary malignant brain tumors excluding bias from basic characteristics and treatment.MethodsWe used the Surveillance, Epidemiology, and End Results program to identify 81,277 patients diagnosed from 2000 through 2016 with the most common primary malignant brain tumors, including glioma, ependymoma, and medulloblastoma. To avoid bias, we used the propensity score matching method to match 44,854 patients with complete clinical and follow-up information. Then, we used Cox regression and Kaplan-Meier survival analysis to investigate the impact of marital status on cancer patient mortality.ResultsMarried patients were more likely to receive surgery and adjuvant chemo- or radiotherapy than single and divorced, separated, and widowed (DSW) patients (all P < 0.001). Married patients with high grade glioma were more likely to survive longer and less likely to die of their malignance compared with single (adjusted odds ratio [OR] 1.120; 95% confidence interval [CI], 1.069 to 1.174; P < 0.001; OR 1.078; 95% CI, 1.025 to 1.133; P = 0.003; respectively), and DSW patients (OR 1.117; 95% CI, 1.074 to 1.161; P <0.001; OR 1.090; 95% CI, 1.046 to 1.136; P<0.001; respectively) (all adjusted to the married group). Similar results were identified in patients with low-grade glioma but not ependymoma and medulloblastoma.ConclusionsEven after adjusting for known confounders, married patients with high-grade glioma and low-grade glioma are at higher possibility to have a better outcome. This study highlights the potential significance that intimate support from spouse can improve glioma patient survival.Copyright © 2021 The Author(s). Published by Elsevier Inc. All rights reserved.

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