نتایج جستجو برای: kappa coefficient
تعداد نتایج: 199449 فیلتر نتایج به سال:
Epidemiology of gastric adenocarcinoma suggests that intestinal-type and diffuse-type cancers develop through distinct causal pathways. To examine the differences in risk factors and molecular changes between the histological types, reliable data on histological typing are essential. We evaluated the concordance between two pathologists in assessment of 95 gastric adenocarcinomas for Laurén cla...
This study aims at comparing the performance of MaxEnt and logistic regression in preparing the predictive habitat distribution map of Thymus kotschyanus and determining the factors affecting in the northern of Ardabil Province rangelands. 28 sites were selected and at each site, three transects with a length of 100 m and on each transect ten 1m2 plots were established. Soil samples were taken ...
OBJECTIVE This study aimed to translate and culturally adapt the Falls Risk Awareness Questionnaire (FRAQ) for the elderly Brazilian population as well as to evaluate the internal consistency and reliability of this instrument. METHOD The study used internationally accepted guidelines for the cross-cultural adaptation process. The questionnaire in its final Portuguese version was then applied...
Timely and accurate change detection of earth surface features is extremely important for understanding relationships and interaction between human and natural phenomena in order to promote better decision making. Remote sensing data are primary sources extensively used for change detection in recent decades. In this study, images of Landsat (TM) 1985 and Landsat (ETM+) 2007 were analyzed using...
BACKGROUND This study assessed the degree of diagnostic agreement among community-based general pathologists reading slides of representative breast tissue specimens and tested whether diagnostic variability is associated with type of breast specimen (e.g., core needle or excisional biopsy) or slide quality. METHODS Twenty-six of the 44 eligible pathologists working at community-based patholo...
Gleason grading is now the most widely used grading system for prostatic carcinoma in the United States. However, there are only a few studies of the interobserver reproducibility of this system, and no extensive study of interobserver reproducibility among a large number of experienced urologic pathologists exists. Forty-six needle biopsies containing prostatic carcinoma were assigned Gleason ...
CONTEXT Epidemiological studies of the validity and reliability of self-reported information on important risk factors for non-communicable chronic diseases are scarce in Brazil. OBJECTIVE We evaluated the test-retest reliability of information--overall and stratified by gender, age and education--on active and passive smoking, alcohol intake and aspects of dietary habits. TYPE OF STUDY Tes...
PURPOSE This preliminary study aimed to determine the intrarater reliability of the quantitative tests for the study of non-specific low back pain. METHODS Test-retest reliability of the measurements of ratio data was determined by an intraclass correlation coefficient (ICC), standard error of measurements (SEMs), coefficient of variation (CV), and one-way repeated measures ANOVA using the va...
Land use change prediction is an important factor in appropriate planning and integrated ecological management of watersheds. There are various methods for modeling and prediction of land use, i.e. Markov chain and CA Markov. In this research, for predicting the land use of Gareen watershed in Iran in 2042, Landsat satellite images of 1986, 2000 and 2014, and the Markov chain and CA Markov was ...
We calculate chromoelectric and chromomagnetic correlators in quenched QCD at $1.5{T}_{c}$ ${10}^{4}{T}_{c}$, with the aim to estimate heavy quark diffusion coefficient leading order inverse mass expansion, ${\ensuremath{\kappa}}_{\mathrm{E}}$, as well of first mass-suppressed correction, ${\ensuremath{\kappa}}_{\mathrm{B}}$. use gradient flow for noise reduction. At we obtain $1.70\ensuremath{...
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