injuries, especially traffic accidents are so important causes of death, disability, hospital expenses, economic damages to the society which world health organization selected them as the main subjects for investigation and research. we have done an epidemiologic study about trauma in guilan, a province in north of iran. this is   a descriptive study carried out on patients with traumatic inju...

Epidemiology can be considered as a very old science. For example, John Graunt, a statistician, published Natural and Political Observations. In the Bills of Mortality in 1662, he analyzed the mortality rolls in London before the Great Plague, presented one of the first life tables, and reported time trends for many diseases. He provided statist...

OBJECTIVE The purpose of this article is to introduce the nuclear medicine technologist to the field of epidemiology. There are many applications of epidemiology in nuclear medicine, including research studies that deal with the causes of disease or ways to prevent disease from occurring and investigating the possible effects of ionizing radiation on occupational workers and the general public....

background: although several in vitro and animal studies have suggested that isoflavones might exert inhibitory effects on gastric carcinogenesis, epidemiologic studies have reported inconclusive results in this field. the aim of this brief review was to investigate whether such an association exists among dietary isoflavones and gastric cancer incidence, prevention, and mortality in epidemiolo...

introduction: traumatic brain injuries (tbi) are one of the most important causes of death in patients under the age of 25 years and is responsible for one third of total deaths caused by trauma. therefore, knowing its epidemiologic pattern in different populations seems vital. therefore, this study aims to examine the epidemiologic pattern of tbi in emergency department. methods: in this cross...

among 880 studied feet of 7-14 years old children 6.9% suffered mild and severe flat foot. 53.8% of the affected children were symptomatic. as 40.1% of the general population experiences symptoms, in a small proportion of affected persons, symptoms are due to flat foot. the prevalence of symptoms rises with increasing severity of the disorder. in this article, reviewing general aspects of flat ...

0

introduction: vertigo prevalence is estimated to be 1.8% among young adults and more than 30% in the elderly. 13-38% of the referrals of patients over 65 years old in america are due to vertigo. vertigo does not increase the risk of mortality but it can affect the patient’s quality of life. therefore, this study was designed to evaluate the epidemiologic characteristics of vertigo patients refe...

Introduction: Genital infections with human papilloma virus (HPV) are the most common sexually transmitted disease in the United States. Several predisposing factors are known for this infection. So far, no studies on the risk factors and clinico-epidemiologic aspects of genital warts in Iran have been reported. So, we performed this study to evaluate epidemiologic aspects of anogenital warts i...

I present some extensions of Bayesian methods to situations in which biases are of concern. First, a basic misclassification problem is illustrated using data from a study of sudden infant death syndrome. Bayesian analyses are then given. These analyses can be conducted directly, or by converting actual-data records to incomplete records and prior distributions to complete-data records, then ap...