Smoking Status and Functional Outcomes in Young Stroke

the Taiwan Stroke Registry Investigators

Research output: Contribution to journalArticlepeer-review

Abstract

Objective: Stroke in young adults is uncommon, and the etiologies and risk factors of stroke in young adults differ from those in older populations. Smoker's paradox is an unexpected favorable outcome, and age difference is used to explain the association between smoking and the favorable functional outcome. This study aimed to investigate the existence of this phenomenon in young stroke patients. Methods: We analyzed a total of 9,087 young stroke cases registered in the nationwide stroke registry system of Taiwan between 2006 and 2016. Smoking criteria included having a current history of smoking more than one cigarette per day for more than 6 months. After matching for sex and age, a Cox model was used to compare mortality and function outcomes between smokers and non-smokers. Results: Compared with the non-smoker group, smoking was associated with older age, higher comorbidities, and higher alcohol consumption. Patients who report smoking with National Institutes of Health Stroke Scale scores of 11–15 had a worse functional outcome (adjusted odds ratio, 0.81; 95% confidence interval, 0.76 – 0.87). Conclusion: Smokers had a higher risk of unfavorable functional outcomes at 3 months after stroke, and therefore, we continue to strongly advocate the importance of smoking cessation.

Original languageEnglish
Article number658582
JournalFrontiers in Neurology
Volume12
DOIs
Publication statusPublished - Sep 1 2021

Keywords

  • proportional hazards regression analysis
  • smoking
  • smoking cessation
  • stroke
  • Taiwan Stroke Registry

ASJC Scopus subject areas

  • Neurology
  • Clinical Neurology

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