BACKGROUND:Stroke is the second leading cause of death in Korea but long-term survival of Korean stroke patients has not been studied. Thus, we examined 6-year survival and causes of death in a nationally representative inpatient sample. METHODS:Between January 2000 and March 2000 in 152 sample hospitals, 4,299 first-ever stroke patients were identified and followed-up for vital status until December 2005. Mortality and mortality-related factors were evaluated by the Kaplan-Meier method and Cox proportional hazard regression analysis. RESULTS:Ischemic stroke was the most common subtype (62.9%), followed by intracerebral hemorrhage (ICH, 21.2%), and subarachnoid hemorrhage (SAH, 6.4%). Six-year mortality was estimated at 37.1% for all strokes, 37.2% for ischemic, 41.0% for ICH, and 29.2% for SAH. Common causes of death were stroke (58.2%), malignancies (10.3%), other cardiovascular diseases (7.7%), and diabetes (6.8%). Six-year mortality was associated with old age (hazard ratio 1.70 per 10 years, 95% CI 1.62-1.78), male sex (1.29, 1.16-1.43), subtypes of ICH (1.30, 1.15-1.48) and SAH (1.43, 1.14-1.80), longer hospital admission (1.01 per 10 days, 1.00-1.03), and loss of consciousness (1.32, 1.13-1.55). CONCLUSIONS:More than 60% of Korean patients with first-ever stroke survived to 6 years. Major causes of death were stroke, cancer, cardiovascular diseases, and diabetes.

译文

背景:中风是韩国第二大死亡原因,但尚未研究韩国中风患者的长期生存。因此,我们在全国有代表性的住院患者样本中检查了6年生存率和死亡原因。
方法:从2000年1月至2000年3月,在152家样本医院中,共鉴定了4299名首发中风患者,并对其生命状况进行了随访,直到2005年12月为止。采用Kaplan-Meier方法和Cox比例危险度评估了死亡率和死亡率相关因素。回归分析。
结果:缺血性中风是最常见的亚型(62.9%),其次是脑出血(ICH,21.2%)和蛛网膜下腔出血(SAH,6.4%)。估计所有卒中的六年死亡率为37.1%,缺血性为37.2%,ICH为41.0%,SAH为29.2%。死亡的常见原因是中风(58.2%),恶性肿瘤(10.3%),其他心血管疾病(7.7%)和糖尿病(6.8%)。六年死亡率与年龄(危险比率:每10年1.70,95%CI 1.62-1.78),男性(1.29、1.16-1.43),ICH(1.30、1.15-1.48)和SAH(1.43, 1.14-1.80),更长的住院时间(每10天1.01,1.00-1.03)和意识丧失(1.32,1.13-1.55)。
结论:首例中风的韩国患者中有60%以上存活至6年。死亡的主要原因是中风,癌症,心血管疾病和糖尿病。

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