نتایج جستجو برای: year period 1995
تعداد نتایج: 1049990 فیلتر نتایج به سال:
BACKGROUND Obesity is a risk factor for a number of chronic diseases. Few longitudinal studies have examined changes in body mass index (BMI [calculated as weight in kilograms divided by the square of the height in meters]). OBJECTIVE To investigate the changes in mean BMI and the prevalence of obesity in a large cohort examined several times during a 20-year period. METHODS Mean BMI, the p...
CONTEXT The number of authors per article has increased markedly in recent years. Little is known about the hierarchical order of authorship and its change over time. OBJECTIVE To assess the change in number and profile of authors of original articles published over a 20-year period in BMJ. It was hypothesized that the number of authors increased over this 20-year period and that it was the s...
OBJECTIVES To quantify changes in 30 day and one year mortality among patients with acute myocardial infarction in southern Derbyshire (population 560 000) in each of five consecutive years (1995-1999) before the publication of the National Service Framework for coronary heart disease, and to assess the proportion of one year survivors in whom serum lipids were measured and were below target va...
BACKGROUND AND PURPOSE The risk of revision due to infection after primary total hip arthroplasty (THA) has been reported to be increasing in Norway. We investigated whether this increase is a common feature in the Nordic countries (Denmark, Finland, Norway, and Sweden). MATERIALS AND METHODS The study was based on the Nordic Arthroplasty Register Association (NARA) dataset. 432,168 primary T...
Background: There is currently lack of knowledge about survival trend analysis of thalassemia patients. Therefore, the aim of the present study was to assess 5-, 10-, 20-, and 30-year survival of thalassemia patients over a 20-year time period. Methods: In this retrospective cohort study, we analysed the data of 982 beta-thalassemia patients in Iran. Birth cohort and traditional cohort analyses...
Kuru is an encephalopathy or neuro-degenerative disease found only in the Okapa District of the Eastern Highlands Province of Papua New Guinea. It is always fatal, with a subacute course, on average, of about 12 months from onset to death. In the 9-year period 1987 to 1995 there were 66 deaths from kuru, 17 males and 49 females. The number of deaths per year ranged from 3 to 12. All deaths occu...
INTRODUCTION The objective of the study was to determine the trends of cancer cervix in Karachi South during an eight (1995-2002) year period. METHODOLOGY Cancer cervix cases recorded at Karachi Cancer Registry during 1st January 1995 to 31st December 2002 were analyzed. Trends were studied by analyzing the age standardized incidence rates (ASR)s in 2 time periods, 1995-97 and 1998-2002. RE...
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