Results 51 to 60 of about 1,079,403 (193)

外周血CHD9基因低表达预示急性心肌梗死的风险增加

open access: yesZhongguo shiyan zhenduanxue, 2017
冠状动脉粥样硬化性心脏病(CAD)是由环境因素与遗传因素共同作用而导致的最常见心血管疾病。已知的危险因素,如高血压、血脂异常、血糖升高、吸烟等长期积累,结合遗传背景最终将导致急性心血管事件(如,急性心肌梗死,AMI)的发生,常常危及患者生命。因此,临床上需要有效的风险预测方法,对高危人群给予有效识别,从而更早的干预,来降低急性心血管事件的发生,改善病人预后。
孟赫禹, 崔兰
doaj  

The Propensity of Rural Youth to Take Rain‐Fed Smallholder Farming as Their Livelihood Strategy in KwaZulu‐Natal (South Africa): A Multinomial Logit Analysis

open access: yesPoverty &Public Policy, Volume 17, Issue 4, December 2025.
ABSTRACT With most unemployed youth residing in rural areas of South Africa, incentivising youth participation in smallholder farming can help address the increasing youth unemployment crisis. The study integrated the theory of planned behavior and the sustainable livelihood framework to investigate the factors influencing rural youth participation in ...
Humbulani Portia Rambuda   +2 more
wiley   +1 more source

因素分析简介(续) [PDF]

open access: yes, 1984
三、因素分析的基本步骤因素分析的基本步骤包括如下三个组成部分: (1)收集资料,并按因素分析目的,将原始数据形成相应的关联性测度矩阵的形式,预备进一步分析。 (2)抽取初始因素:即将相差矩阵或协方差矩阵进行处置,求得初始因素解。 (3)因素轴的旋转与解释:将初始因素解进行因素轴旋转求得最终因素解 ...
韩淼, 陈龙
core  

Relocating Citizens From Urban Environments Exposed to Hazardous Levels of Contamination: A Rapid Scoping Review

open access: yesRisk, Hazards &Crisis in Public Policy, Volume 16, Issue 4, December 2025.
ABSTRACT Background Hazardous levels of contaminants produced by anthropogenic activities are increasingly pervading residential environs and urban areas. Hazardous contamination can pose significant health risks for citizens dwelling in exposure pathways.
Rosina Johnson   +3 more
wiley   +1 more source

高职高专院校大学生心理危机原因分析及干预策略

open access: yes, 2013
大学生心理危机干预是高校心理健康教育工作的重要内容。随着高等职业教育的发展和高职高专院校办学规模的扩大、学生数量的提升,高职高专院校学生的心理危机干预工作日益重要。通过对高职高专院校学生心理危机原因进行深入分析,提出了做好心理危机前的预防工作;建立高职高专学生心理危机预警体系;构建高职高专学生心理危机应急处理体系 ...
刘丹阳, 李军霞
core  

血脂异常的相关危险因素研究

open access: yesZhongguo shiyan zhenduanxue, 2020
目的了解黑龙江省佳木斯地区某公司员工血脂异常分布情况及其相关危险因素,为普通职员血脂异常的防治促进职工健康奠定基础。方法通过健康体检及问卷调查的方式,收集公司员工的体格检查、实验室检测、生活行为相关信息,应用χ2检验,非参数检验及多因素logistic回归方法对资料进行统计分析。结果该人群血脂异常呈现普遍化和年轻化趋势。血脂异常的检出率达40.22%,检出人群的平均年龄为(38.41±8.02)岁;多因素logistic回归分析显示该人群血脂异常危险因素有体重超标、腰围超标、血压偏高、空腹血糖偏高 ...
隋小芳   +8 more
doaj  

Chinese Verb Frames in Primary Education: From Basic Communication to Cognitive Complexity

open access: yesInternational Journal of Applied Linguistics, Volume 35, Issue 4, Page 2301-2316, November 2025.
ABSTRACT This article investigates text complexity in Chinese‐language textbooks for primary school students (Grades 1 to 6) in Hong Kong. Our analysis, based on verb frames in Mandarin VerbNet, shows a developmental shift in the linguistic input in first language (L1) education: Students begin with a focus on core frame elements in lower grades and ...
Tianyuan Cai   +2 more
wiley   +1 more source

慢性肾衰患者氧化型低密度脂蛋白抗体的临床观察

open access: yesZhongguo shiyan zhenduanxue, 2014
慢性肾脏病发病率逐年增高,进入终末期肾脏病(ESRD)的患者逐年上升。而透析病人心血管疾病的发病率和死亡率高且预后极差[1],其中约50%患者死于心血管并发症。尽管传统的心血管疾病(CVD)危险因素如高血压、血脂异常、抽烟和糖尿病相当普遍,但它们不能独立解释ESRD人群高CVD危险性,其中非传统危险因子尿毒症氧化应激状态被认为是心血管疾病的危险因素,这种观点认为 ...
张红岩   +3 more
doaj  

乳腺癌患者全麻术后恶心呕吐的危险因素分析 [PDF]

open access: yes, 2021
目的探讨乳腺癌患者全麻术后恶心呕吐(PONV)的危险因素。方法选择乳腺癌全身麻醉患者530例,按照患者术后是否有恶心、呕吐对530例患者的相关病史及麻醉病历分别作单因素和多因素Logistic回归分析,评价乳腺癌患者全麻术后恶心呕吐的危险因素。结果530例患者中,发生PONV有101例,发生率为19.06%。多因素分析发现:术前禁饮禁食时间、麻醉维持方式、术中低血压、有无使用止吐药、有无使用曲马多、术后使用阿片类药物镇痛与乳腺癌术后恶心呕吐发生相关(P<0.05)。结论乳腺癌患者术前长时间禁饮禁食、
卢桠楠, 刘婷, 陈羽青, 许冬妮
core  

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