نتایج جستجو برای: prevalence of quantity
تعداد نتایج: 21175850 فیلتر نتایج به سال:
Background and purpose: Sleep is necessary to maintain physical health. Every metabolic disorder especially obesity, can affect the quality and quantity of sleep. The aim of this study was to investigate the relationship between sleep quality and quantity and obesity. Materials and methods: In this descriptive study, data of 3559 participants aged 20 to 70 years were collected from Yazd Heal...
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بررسی تنوع ژنتیکی ژنوتیپهای بومی پیاز ایرانی در مقایسه با انواع خارجی چکیده: برنامه های اصلاحی گیاهان بر اساس تنوع و انتخاب صفات برتر کمی و کیفی صورت می گیرد. لذا، ارزیابی تنوع ژنتیکی، اولین مرحله در برنامه های اصلاحی است. در این راستا، استفاده از روش های جدید مطالعهی تنوع ژنتیکی ضروری به نظر می رسد. در این بررسی تعیین تنوع ژنتیکی سیزده ژنوتیپ پیاز ایرانی در مقایسه با دو ژنوتیپ خارجی با است...
Abstract Water and proper sanitation access in Bandung Regency has not covered all population. Lack of availability water is certainly related to public health. This research was conducted identify clean terms quality, quantity, continuity as well Regency, then determine its relationship waterborne diseases stunting prevalence. The study three locations representing domestic, agricultural, indu...
Diverse provider payment systems create incentives that affect the quantity and quality of health care services provided. Payments can be based on provider characteristics, which tend to minimize incentives for quality and quantity. Or payments can be based on quantities of services provided and patient characteristics, which provide stronger incentives for quality and quantity. Payments method...
background: extraction of blood genomicdnais one of the main approaches for clinical and molecular biology studies. although several methods have been developed for extraction of blood genomic dna, most of these methods consume long time and use expensive chemicals such as proteinase k and toxic organic solvent such as phenol and chloroform. the objective of this study was to developed easy and...
Objectives: The aim of this research was to investigate the quality of studies on the prevalence of psychiatric disorders in Iran. Method: All studies on the prevalence of psychiatric disorders among Iraniangeneral population as well as school children over 15 were identified through searching several databases including PubMed, ISI WOS, PsychINFO, CINAHL, Irandoc, EMBASE, IranPsych, IranMedex,...
introduction: cytomegalovirus (cytome-galovirus: cmv) infection is a common cause of morbidity and mortality in patients who are the candidate for liver transplant. serological monitoring of individuals rece-iving and giving the liver transplant is necessary for prevention, early diagnosis and treatment strategies and reducing the prevalence of infection. the aim of this study was to assess the...
Scenarios can be defined as alternative versions of the same dataset, with the same variables but different observations and/or values. Applied scientists frequently want to predict how much good an intervention will do, by comparing outcomes from the same model betwen different scenarios. Alternatively, they may want to compare outcomes between different models applied to the same scenario, as...
Testing large quantities of samples in order to detect one or more test-positive sample(s) is expensive and time-consuming. It is possible to optimize this process by pooling samples. Two frameworks to produce different hierarchical and non-hierarchical pooling schemes were tested and compared to standard pooling. Their efficiency and the potential savings were determined as a function of preva...
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