نتایج جستجو برای: epidemiological investigation
تعداد نتایج: 392474 فیلتر نتایج به سال:
A new score statistic is derived, which uses information from registries (age-specific incidences) and family studies (sib-sib marginal correlation) to weight affected sibling pairs according to their age at onset. Age at onset of sibling pairs is modelled by a gamma frailty model. From this model we derive a bivariate survival function, which depends on the marginal survival and on the margina...
We conducted a tuberculosis contact investigation for a female military recruit with an unreported history of multidrug-resistant tuberculosis (MDRTB) and subsequent recurrence. Pertinent issues included identification of likely contacts from separate training phases, uncertainty on latent MDRTB infection treatment regimens and side effects, and subsequent dispersal of the contacts after exposure.
conclusions the findings of the current study will be beneficial in prevention of rtcs and its associated complications and hence will be vital for policy makers, health service managers and stakeholders. context despite considerable attention given to health statistics of road traffic crashes (rtcs), the epidemiological aspects of injuries resulting from rtcs are not fully understood in iran a...
BACKGROUND An outbreak of Legionnaires' Disease took place in the Swedish town Lidköping on Lake Vänern in August 2004 and the number of pneumonia cases at the local hospital increased markedly. As soon as the first patients were diagnosed, health care providers were informed and an outbreak investigation was launched. METHODS Classical epidemiological investigation, diagnostic tests, environ...
background: multiple sclerosis (ms) is the most common demyelinating and inflammatory disease of the central nevus system especially in young adults, but in a subgroup of patients the first clinical symptoms present after the age of 50. this clinical presentation is defined as late-onset multiple sclerosis (loms). the incidence and prevalence of ms including loms vary geographically. the aim of...
abstract: introduction: psychiatric disorder is a disease in which patients suffer from emotional problems that these are visible in all aspect of patient’s life. studies show that there is a major difference between the prevalence of this disease in different countries and also show that this disorder is increasing. the aim of this study is to find the possible relationship between psychiatric...
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