نتایج جستجو برای: paired sample ttest

تعداد نتایج: 450812  

2014
R. I. Siddig

Root shortening as a result of apical root resorption is an undesirable consequence of orthodontic treatment. The objective was to determine the prevalence of external apical root resorption in a sample of Sudanese orthodontic patients treated with fixed appliances and to evaluate the association of treatment duration, age, gender and the type of malocclusion on the degree of external apical ro...

2008
H-S. Baek G-W. Jeong T-H. Kim H-J. Kim T. Sundaram G-W. Kim

Synopsis In order to reduce the type I and II errors and obtain more accurate brain activation map, fMR images were statistically analyzed with uncorrected ttest, false discovery rate(FDR) and family-wise error rate(FWE) in the general linear model (GLM) through statistic parameter mapping software(SPM). This study compared and evaluated the power of thresholding correction methods with uncorre...

2008
R Jurencak PN Tyrrell SM Benseler LT Hiraki ED Silverman

Methods A single-center cohort study of all consecutive patients <18 years of age with biopsy proven LN diagnosed in 1980–2006 was performed. Self-designated ethnicity, clinical and laboratory features including renal function, urinalysis and overall activity (SLEDAI) were recorded. Associations of ethnicities, LN subtypes, clinical and laboratory variables were tested using chi-squared analysi...

Journal: :Learning & memory 2012
Jinah Yoon Yeran Seo Jangjin Kim Inah Lee

Cued retrieval of memory is typically examined with delay when testing hippocampal functions, as in delayed matching-to-sample tasks. Equally emphasized in the literature, on the other hand, is the hippocampal involvement in making arbitrary associations. Paired associate memory tasks are widely used for examining this function. However, the two variables (i.e., delay and paired association) we...

Baghery, Laleh, Hedayati, Mehdi, Reisi, Jalil, Salami, Fatemeh,

Objectives: The purpose of this study was to consider the effect of eight weeks aerobic training on PTH, albumin, calcium, alkaline phosphatesand estrogen levels in postmenopausal women. Methods & Materials: 22 postmenopause women, 55-70 years, of Jahandidegan center in Tehran were selected and randomly divided into two groups: [experimental (12) and control (10)]. They had aerobic training ...

2016
Minsu Ock Jin Yong Lee In Hwan Oh Hyesook Park Seok Jun Yoon Min Woo Jo

Disability weight for each disease plays a key role in combining years lived with disability and years of life lost in disability adjusted life year. For the Korean Burden of Disease 2012 study, we have conducted a re-estimation of disability weights for causes of disease by adapting the methodology of a recent Global Burden of Disease study. Our study was conducted through a self-administered ...

2011
Karim F Hirji Morten W Fagerland

BACKGROUND Confidence intervals (or associated standard errors) facilitate assessment of the practical importance of the findings of a health study, and their incorporation into a meta-analysis. For paired design studies, these items are often not reported. Since the descriptive statistics for such studies are usually presented in the same way as for unpaired designs, direct computation of the ...

2012
Seyed Hosein Hoseini Meisam Pourahmadi-Nakhli

One of the main concerns of people in modern societies is increasing the Body Mass Index (BMI) level. BMI, in fact, can be considered as an indicator of overall health condition. Genetic aspects aside, the BMI level is affected by different factors, such as socio-economic, environmental, and physical activity level. This study investigated the effect of different factors on the BMI level of a s...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید