نتایج جستجو برای: fisher test and t
تعداد نتایج: 17025203 فیلتر نتایج به سال:
BACKGROUND Burr hole craniostomy is a widely used method for the evacuation of CSDH. However it is not clear whether the irrigation during operation improves the prognosis or gives rise to additional complications instead. This retrospective cohort study was conducted to determine this issue. METHODS Patients attending two medical centers in China who underwent burr hole drainage with irrigat...
Background & Objective: Pregnancy is a situational crisis in women;aposs lives that is potentially related to anxiety. Massage, a kind of relaxation technique, is a non-pharmacological intervention for anxiety relief. Slow stroke back massage is an independent nursing procedure that is closely associated with the caring nature of nursing. This study aimed to assess the effect of slow stroke bac...
Methods Single center, retrospective, observational study in an 8-bed adult general ICU (January 2011-June 2014). Patients ≥75 years were divided into two age-groups, 75-84 and ≥85 years old. Characteristics on ICU admission were recorded. Patients hospitalized ≤48 hours were excluded. ICU, hospital, 6-months and 1-year after hospital discharge mortality were calculated. Univariate analysis for...
Analysis of variance (ANOVA) refers to statistical models and associated procedures, in which the observed variance is partitioned into components due to different explanatory variables. It provides a statistical test concerning if the means of these several groups are all equal. In its simplest form, ANOVA is equivalent to Student's t-test when only two groups are invloved. The analysis of var...
this study investigated the effect of prior knowledge on the listening comprehension performance of fl learners. twenty students, male and female, drawn from the two intact groups of the senior and junior english language and literature majors were chosen as the participants of this study . the two groups were then randomly assigned into the experimental and control group. the experimental gr...
Background and Objective: The present study is a Quasi-experimental study which has been done in department of Emergency, Imam Khomeini hospital, Hamedan. The aim is to study the effects of hydrocolloid dressing as compared to 1 % silver sulfadiazine in healing process of the second degree burns. Materials and Methods: In this study we selected 30 patients every one was two burn lesions...
vocabulary as a major component of language learning has been the object of numerous studies each of which has its own contribution to the field. finding the best way of learning the words deeply and extensively is the common objective of most of those studies. however, one effective way for achieving this goal is somehow neglected in the field. using a variety of activities such as games can r...
This paper presents an error in the schedulability test for global deadlinemonotonic scheduling of arbitrary-deadline sporadic task systems in identical multiprocessor systems proposed by Baruah and Fisher in OPODIS 2007. This erratum provides a simple fix. Fortunately, the speedup bound 2+ √ 3 claimed in their paper remains valid with this simple fix. In the sporadic task model, a task τi is c...
Introduction: The elderly population is rising in Iran and other countries, and chronic diseases such as heart disease are prevalent among this population. People, especially in chronic diseases, depend on their families, and the family plays an important role in patient compliance with therapeutic and nutritional recommendations, and can be used to improve the quality of education for patients...
Botrytis cinerea is the cause of the most common disease in the Galician and Portuguese vineyards. Knowledge of the spore levels in the atmosphere of vineyards is a tool for forecasting models of the concentration of spores in order to adjust the phytosanitary treatments to real risk infection periods. The presented study was conducted in two vineyards, one located in Cenlle (Spain) and other i...
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