نتایج جستجو برای: disease rate
تعداد نتایج: 2241357 فیلتر نتایج به سال:
Background & Objectives: Over the last few years, the province of Golestan has ranked second among all Iranian provinces in terms of TB prevalence after Sistan and Balochestan. The present study was done with the aim of evaluating the incidence of TB among different ethnic groups residing in Golestan. Methods: In a descriptive study, all TB patients including sputum smear-positive and negati...
kawasaki disease is a multi system disorder with varying clinical expressions. this disease is an acute systemic vasculitis of unknown etiology that has recently recognized as a leading cause of acquired heart disease in children of many developed countries. we describe an unusual instance of hair loss in a patient with kawasaki disease. a 26 months old boy developed prolonged high fever, bilat...
Background and purpose: The congenital hypothyroidism (CH) is the most common preventable cause of mental retardation. The incidence rate of the disease is different in various societies, but it is reported in approximately 1 per 3000-4000 births. The purpose of this study was to determine the epidemiological features of congenital hypothyroidism in Qazvin province. Material and methods: Th...
Background: Multiple sclerosis (MS) is a chronic inflammatory and demyelinating disease of the central nervous system, which is accompanied by significant disabilities. Although there are some published data regarding the epidemiological features of MS in other parts of Iran, scarce data are available about the prevalence and demographic characteristics of MS in Fars province. The current study...
hepatitis b is the most common cause of acute and chronic viral hepatitis in iran. it is the etiology of 70% of end-stage liver disease and hepatocellular carcinoma in the country. before the universal neonatal vaccination in iran (1992), the contact rate with hbv was about 30% and the hbs ag+ rate was about 3%. in 2009 the contact rate has declined to 18% and hbsag+ rate decreased to 2%. the e...
In recent years the patterns of mortality have changed in Iran, and cancers are playing a greater role in this regard in this country. Various reports indicate that gastric cancer is highly prevalent it is the second most common cancer in men, and fourth in the general population. The purpose of this study was to determine the five-year survival rate of gastric cancer patients who had under...
over the past decades a number of approaches have been applied for forecasting mortality. in 1992, a new method for long-run forecast of the level and age pattern of mortality was published by lee and carter. this method was welcomed by many authors so it was extended through a wider class of generalized, parametric and nonlinear model. this model represents one of the most influential recent d...
برای اطمینان از درستی کارکرد فرآیند های صنعتی، نیاز به ابزارهایی است که وضعیت های نامطلوب عملکرد فرآیند را با دقت و سرعت بالا به راهبر فرآیند نشان دهد. کاربرد یک روش موثر برای تشخیص و شناسایی عیوب، به کاهش اثر این عیوب، تأمین ایمنی عملیات، کم کردن زمان مرده و کاهش هزینه های ساخت کمک می کند .در حال حاضر شبکه های bayesian belief، از جمله روش های مورد توجه جهت تعیین و تشخیص عیوب فرآیندها به شمار م...
limited information exists on mortality rates and it’s causes on iranian broiler farms. in the present study, mortality rate, etiology and risk factors associated with mortality rate in broiler flocks, were evaluated.178 folders related to the mortality of broilers which were covered by the national insurance program for broilers in mashhad, from 21 march 2011 to 20 march 2012, were investigate...
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