首次脑卒中患者生存率分析

doi:10.19485/j.cnki.issn2096-5087.2024.10.011

Preventive Medicine

2024, Vol. 36

Issue (10): 873-877 DOI: 10.19485/j.cnki.issn2096-5087.2024.10.011

Disease Control

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Analysis of survival rate among patients with first-ever stroke

LI Yurong, WANG Dongfei, GAO Yuanyuan, WANG Fenjuan, LIN Junying, JIANG Yuanyuan, ZHAO Fangfang, XIAO Duanduan

Department of Chronic Disease Control and Prevention, Xiaoshan District Center for Disease Control and Prevention, Hangzhou, Zhejiang 311203, China

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Abstract Objective To understand the survival status and influencing factors of first-ever stroke patients, so as to provide evidence for improving the quality of life and prognosis of stroke patients. Methods Demographic information, medical history, smoking history, and alcohol consumption history of newly diagnosed stroke cases first reported in 2017 in Xiaoshan District were collected through the Hangzhou Chronic Disease Surveillance and Management System. Patients were followed up for 5 years, with stroke death as the outcome event. The survival rate was calculated using the Kaplan-Meier method, and factors affecting survival time of first-ever stroke patients were identified using a multivariable Cox proportional hazard regression model. Results A total of 3 886 patients first-ever stroke patients were included, the cases of cerebral infarction, intracerebral hemorrhage, subarachnoid hemorrhage, and stroke unspecified as to whether it was hemorrhagic or ischemic (unspecified) accounted for 86.93%, 11.45%, 1.06% and 0.57%, respectively. There were 2 047 males (52.68%) and 1 839 females (47.32%), with a mean onset age of (72.01±11.61) years. By the end of the follow-up on December 31, 2022, 906 patients died from stroke, with a median follow-up time of 62.00 (interquartile range, 35.00) months. The 1-year survival rate was 87.35% (95%CI: 86.30%-88.41%), the 3-year survival rate was 82.11% (95%CI: 80.88%-83.34%), and the 5-year survival rate was 76.64% (95%CI: 75.26%-78.02%), respectively. Multivariable Cox proportional hazard regression analysis showed that onset age of ≥75 years (HR=5.543, 95%CI: 3.822-8.039), being treated at township-level hospitals (HR=5.934, 95%CI: 4.027-8.743), history of hypertension (HR=1.566, 95%CI: 1.317-1.863), history of chronic ischemic heart disease (HR=1.611, 95%CI: 1.362-1.906), smoking history (HR=1.455, 95%CI: 1.190-1.778), alcohol consumption history (HR=1.323, 95%CI: 1.067-1.641), stroke subtype of intracerebral hemorrhage (HR=3.442, 95%CI: 2.923-4.053) and unspecified (HR=6.843, 95%CI: 4.353-10.756) were associated with higher mortality risk among first-ever stroke patients. Conclusion The 5-year survival rate of first-ever stroke patients was 76.64%, which was influenced by age of onset, hospital level for diagnosis and treatment, stroke subtype, medical history, smoking and alcohol consumption.

Key words： stroke survival rate survival analysis influencing factor

Received: 28 April 2024 Revised: 06 September 2024 Published: 15 October 2024

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	Articles by authors
	LI Yurong
	WANG Dongfei
	GAO Yuanyuan
	WANG Fenjuan
	LIN Junying
	JIANG Yuanyuan
	ZHAO Fangfang
	XIAO Duanduan

Cite this article:

LI Yurong,WANG Dongfei,GAO Yuanyuan, et al. Analysis of survival rate among patients with first-ever stroke[J]. Preventive Medicine, 2024, 36(10): 873-877.

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