نتایج جستجو برای: risk factor
تعداد نتایج: 1668441 فیلتر نتایج به سال:
purpose: to determine the incidence of retinopathy of prematurity (rop) and to evaluate the possible neonatal risk factors for rop among premature infants referred to farabi eye hospital during 2000-2002. methods: newborn infants with gestational age (ga) £ 37 wk or birth weight (bw) £ 2500 g were included. the first eye examination was performed 4-9 weeks after birth. data on possible risk fac...
background: the present study was designed to determine the risk factors that lead to bango abuse among secondary school student and drivers in assiut province. subjects and method: urine samples were taken from 1000 volunteers after filling a questionnaire, 500 students from different secondary schools and 500 drivers in assiut province. the risk factors that lead to bango abuse among drivers ...
insurers have in the past few decades faced longevity risks - the risk that annuitants survive more than expected - and therefore need a new approach to manage this new risk. in this dissertation we survey methods that hedge longevity risks. these methods use securitization to manage risk, so using modern financial and insurance pricing models, especially wang transform and actuarial concepts, ...
this is a cross-sectional study aiming at analyzing the relation between falling and domestic environmental -risk factors in community-dwelling elderly.the study consisted of 243 randomly chosen community-dwelling elderly over 65 years of age living around a health care center in central selcuklu, konya. data were collected with a questionnaire form including socio-demographic and other charact...
objective assessment of risk predictors for adverse neurodevelopmental outcome at 1 year of age in term and near-term infants. material & methods this case-control study was a representative sample of infants from different health-care centers of north and east of tehran. the association between risk factors and delayed motor development (developmental quotient below 70 indicating a significant...
background: life style is an important element to prevent the cancer. therefore, this study aimed to determine life style risk factors of tehran citizens as well as to prevent cancer. methods: this study is a descriptive - analytic research with sample size of 2500 tehran citizens. the study data was collected via a questionnaire that contained 2 parts: demographic and questions related to life...
abstract background: this study sought to determine patient characteristics, process of care, and outcome as predictors of reintubation after open-heart surgery. methods: we performed a retrospective case control study that included all patients undergoing cardiac surgery who required reintubation and an equal number of control patients not requiring reintubation. putative risk factors were ana...
abstract background: the pathophysiology of carpal tunnel syndrome is associated with increased intracarpal canal pressure. recently, palmaris longus has been introduced as an independent risk factor for the development of carpal tunnel syndrome. the purpose of this study was to assess the association of carpal tunnel syndrome with the presence of palmaris longus tendon and functional superfi...
prevalence of chronic disease could be adversely having an effect on the capability of the driver. in addition, it must increase probability of accidents. the aim of this study was to examine the relationship between chronic medical conditions and contribution in crashes among drivers. in this cross-sectional study, the populations were professional truck drivers. the numbers of 323 people were...
although genetic variants that affect susceptibility to coronary artery disease (cad) have been greatly known, a number of these single nucleotide polymorphisms (snps) remain to be analyzed in populations with different ethnicities. cad is influenced by numerous genetic, environmental, and lifestyle factors, and is an important reason for mortality around the globe. in this study, a novel snp (...
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