نتایج جستجو برای: spearman correlation coefficient
تعداد نتایج: 520565 فیلتر نتایج به سال:
Few would dispute the claim that Charles Edward Spearman (1863-1945) is Britain’s premier psychologist and indeed one of the enduring figures in the history of behavioral science. Some twenty years ago, I asked a number of psychologists to list the names of whomever they considered to be the five or six most important persons in the history of psychological testing. Among all the nominations, o...
The aim of this study was to evaluate different methods used in genomic selection, and to verify those that select a higher proportion of individuals with superior genotypes. Thus, F2 populations of different sizes were simulated (100, 200, 500, and 1000 individuals) with 10 replications each. These consisted of 10 linkage groups (LG) of 100 cM each, containing 100 equally spaced markers per li...
PURPOSE We examined agreement among experts in the assessment of corneal subbasal nerve tortuosity. METHODS Images of corneal subbasal nerves were obtained from investigators at seven sites (Auckland, Boston, Linköping, Manchester, Oslo, Rostock, and Sydney) using laser-scanning in vivo confocal microscopy. A set of 30 images was assembled and ordered by increasing tortuosity by 10 expert gra...
OBJECTIVE To evaluate a multi-biomarker disease activity (MBDA) score, a novel index based on 12 serum proteins, as a tool to guide management of RA patients. METHODS A total of 125 patients with RA from the Behandel Strategieën study were studied. Clinical data and serum samples were available from 179 visits, 91 at baseline and 88 at year 1. In each serum sample, 12 biomarkers were measured...
BACKGROUND Dysphagia is a common side effect of anticancer treatments in patients with head and neck cancer (HNC) and can worsen patients' quality of life. A well-established measure is essential to evaluate dysphagia in HNC patients. OBJECTIVES The aim of this study is to determine the psychometric properties of the Chinese version of the M.D. Anderson Dysphagia Inventory (MDADI-C) for HNC p...
INTRODUCTION Physical activity (PA) is protective against non-communicable diseases and it can reduce premature mortality. However, it is difficult to assess the frequency, duration, type and intensity of PA. The global physical activity questionnaire (GPAQ) has been developed by World Health Organization with the aim of having valid and reliable estimates of PA. The primary aim of this study i...
BACKGROUND The goal of this study was to determine the reliability of TCD in evaluation of vertebrobasilar arteries in comparison with brain MRA in patients suffering from acute vertebrobasilar stroke. METHODS Samples were patients with definite clinical diagnosis of vertebrobasilar stroke. For all patients brain MRI, MRA and TCD were performed during the first 48 hours of admission. Basilar ...
The relationship between clinically scored tremor and electromyographic measurements of tremor amplitude is not clear and few reports have examined correlations between different tremor parameters. The aim of this study was to evaluate the correlations between different tremor parameters, clinical tremor scoring, age and disease duration. A total of 525 patients with different types of tremor w...
PURPOSE This study investigated the connection among HER-2 gene amplification, HER-2 protein expression, and markers of tumor angiogenesis and oxygenation in patients with operable, invasive breast tumors. EXPERIMENTAL DESIGN From 1988 to 1995, 425 patients with metastatic breast cancer were enrolled in a study of high-dose chemotherapy with autologous transplant. Primary tumor blocks were ob...
BACKGROUND The Neck Disability Index (NDI) is the most commonly used outcome measure for neck pain. This study aimed to determine the psychometric properties of a German version of the NDI. Cross-cultural translation and psychometric testing of the NDI were performed. METHODS The 10-item NDI was translated into German and administered to 558 patients with chronic unspecific neck pain (Mean ag...
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