• Bin Yu, Fei Lin, Jie Duan, and Hong Ning.
• Department of Pharmacy, Mianyang Central Hospital, Mianyang, P.R. China.
• Medicine (Baltimore). 2022 Sep 9; 101 (36): e30516e30516.

BackgroundTo assess the influence of marital status on the survival of patients with nasopharyngeal carcinoma (NPC), we used the Surveillance, Epidemiology, and End Results (SEER) database to analyze 5477 patients who were diagnosed with NPC from 2004 to 2016.MethodsKaplan-Meier survival analysis and Cox proportional hazard regression were used to analyze the influence of marital status on cause-specific survival (CSS) and overall survival (OS). Subgroup analyses was used to assess the influence of marital status on CSS based on different factors.ResultsFor the 5477 patients, 61.5%, 22.4%, and 16.1% were married, single/unmarried, and separated/widowed/divorced, respectively. The separated/widowed/divorced group was more likely to be female (P < .001), had the highest proportion of elderly subjects (P < .001), were mostly Caucasian (P < .001), had pathological grade I/II (P < .001), were likely to undergo surgery (P = .032), and were registered in the northeast, north-central, and south (P < .001) regions. The 5-year CSS rates were 92.6%, 92.4%, and 85.1% in the married, single/unmarried, and separated/widowed/divorced groups, respectively (P < .001), and the 5-year OS rates were 60.7%, 54.6%, and 40.1%, respectively (P < .001).ConclusionMarital status is an independent prognostic factor of NPC. Separated/widowed/divorced patients had a significantly increased risk of NPC-related death (hazard ratio [HR] = 2.180, 95% confidence interval [CI] 1.721-2.757, P < .001) compared to married patients. The single/unmarried (P = .355) group had a CSS similar to that of the unmarried group. Marital status is an independent prognostic factor of survival in NPC patients. Separated/widowed/divorced status increases the risk of NPC mortality.Copyright © 2022 the Author(s). Published by Wolters Kluwer Health, Inc.

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