نتایج جستجو برای: case definition
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chapter one is devoted to a moderate discussion on preliminaries, according to our requirements. chapter two which is based on our work in (24) is devoted introducting weighted semigroups (s, w), and studying some famous function spaces on them, especially the relations between go (s, w) and other function speces are invesigated. in fact this chapter is a complement to (32). one of the main fea...
conclusions our methods will allow us to determine the prevalence of pediatric cfs and me status in the general community. results we provide two case studies showing the types of data we are collecting, and how the data are being used to inform diagnostic decisions. objectives in the present study, we describe an ongoing nih-funded study which will answer basic epidemiologic pediatric issues f...
background and aims. a plethora of definitions has been used for periodontitis for epidemiological studies. the aim of this cross-sectional study was to assess the impact of different case definitions on the prevalence of periodontitis and to find the level of agreement among them. materials and methods. periodontal records of 300 subjects were randomly selected from the database of oral health ...
different researchers in different parts of the world have investigated the strategies used to translate written works ranging from novels to classroom assignments. however, by the significant increase in the number of postgraduate students in iran in the last few years, a very common kind of translation in iran includes translating abstracts of master’s theses. in this work, the researcher hav...
Poliovirus is a single stranded RNA virus, a member of the family Picornaviridae, genus poliovirus. There are three strains poliovirus types 1-3. Poliovirus is an important cause of acute flaccid paralysis (AFP), which when attributable to poliovirus is known as paralytic poliomyelitis. Paralytic poliomyelitis follows approximately 0.1-2% of poliovirus infections and typically presents as an ac...
ion Level Link type Possible direction(s) of traversal (Inter-level) IsAllocatedTo both Satisfies both Abstraction (without subtypes) both Implements both Requirements ConflictsWith none Constrains source← target DependsOn source→ target DerivesFrom source→ target Elaborates source→ target IsSimilarTo both MakesPossible source← target Operationalizes source← target Fulfils both InvocationRelati...
In more developed or Western-style industrialised countries those at the economic and/or social margins also bear the brunt of the disease. African and Hispanic Americans and those of Caribbean extraction in the United Kingdom, for example, have disproportionately high disease rates. The other main concentration of disease in Western style countries is amongst homosexually active men (HAM). Rat...
In a case-referent study, cases of disease are compared to non-cases with respect to their antecedent exposure to a treatment in an effort to determine whether exposure causes some cases of the disease. Because exposure is not randomly assigned in the population, as it would be if the population were a vast randomized trial, exposed and unexposed subjects may differ prior to exposure with respe...
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