نتایج جستجو برای: years statistical period 1992
تعداد نتایج: 1705073 فیلتر نتایج به سال:
BACKGROUND Opioid substitution therapy has improved the survival of heroin users with and without HIV infection. We aimed to analyze sex differences in mortality rates and predictors of death among those admitted to a methadone treatment program (MTP). METHODS Longitudinal study of patients enrolled in a MTP from 1992 to 2010. Socio-demographic and drug use characteristics, and markers of vir...
Using virtual reality in the context of education is becoming important since this technology enhances learners’ motivation and performance with transfer learning, problem-solving skills, educational equity, multisensory learning. Along 4th Industrial Revolution COVID-19, attention on has been increased again. Some studies reviewed trends research reality-based education, mostly focusing specif...
OBJECTIVES Changes in five-year relative survival ratios for prostate, breast, colorectal and lung cancer cases are examined. Ratios for cases diagnosed in the 1985-1987 period are compared with those for 1992-1994. Incidence and mortality rates between 1985 and 1999 are compared with changes in relative survival. DATA SOURCES Data are from the Canadian Cancer Registry, the National Cancer In...
BACKGROUND Proteinuria is the most important risk factor for IgA nephropathy progression. The purpose of this study is to evaluate the long-term outcome and risk factors for poor prognosis in childhood IgA nephropathy. METHODS Patients who were diagnosed with IgA nephropathy between 1972 and 1992 at the Tokyo Metropolitan Kiyose Children's Hospital were included. We analyzed risk factors for ...
introduction climate is a system consisting of atmosphere, lithosphere, cryosphere, hydrosphere, and biosphere. this system is involved in the exchange of energy and moisture among these five components. the exchanges link the atmosphere as the central component of the climate to other spheres. changes do not occur separately in this system; rather change in one component contributes to reactio...
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