introduction:   renal transplantation are admitted to emergency department (ed) more than normal population. the present brief report aimed to determine the reasons of renal transplant patients’ ed visits. methods: this retrospective case series study analyzed the reasons of renal transplant recipients’ admission to one ed between 2011 and 2014. the patient data were collected via a checklist a...

background: maternal mortality ratio (mmr) is one of the main indicators of the millennium development goals and its accurate estimation is very important for the countries concerned. the objective of this study is to evaluate the applicability of capture‑recapture (crc) as an analytical method to estimate mmr in countries. methods: we used the crc method to estimate mmr in iran for 2004 and 20...

Most epidemiological studies have shown an increase in breast cancer risk related to hormone replacement therapy (HRT) use. A recent large cohort study showed effects of similar magnitude for different types of progestogens and for different routes of administration of estrogens evaluated. Further investigation of these issues is of importance. We assessed the risk of breast cancer associated w...

BACKGROUND Cognitive impairment and depression frequently co-occur in late life. There remains a need to better characterize psychosocial risk factors of cognitive decline in older adults with depression. We hypothesized that certain psychosocial factors would be associated with higher risk of cognitive decline in individuals with late-life depression. METHODS 130 individuals aged ≥ 65 years ...

The major role of mathematical models of transmission dynamics and population biology of sexually transmitted diseases is helping understand the influence of the many biologic, social, and behavioral factors that influence the incidence or prevalence of infection. Various models can examine heterogeneity in sexual behavior and determine how individual variation influences epidemiologic pattern ...

In regulation of exposures to hazardous environmental agents, epidemiologic evidence is especially important in defining human risk estimates. The process of developing appropriate regulations is complex, however, and depends on many considerations beyond those established to a high degree of scientific certainty. Thus the needs of regulatory agencies are involved in the way epidemiologic data ...

INTRODUCTION Raw seafood consumption has frequently been linked to gastroenteritis and Norovirus is a common cause. In February and March 2010, there was an increase cases of gastroenteritis on the remote island of Agios Efstratios in the Northern Aegean Sea, Greece. A massive increase in seafood consumption associated with a religious festival a few days prior to the outbreak suggested seafood...