نتایج جستجو برای: pearson correlation coefficient and to compare
تعداد نتایج: 18315909 فیلتر نتایج به سال:
Background and Aims: Cone beam computed tomography (CBCT) produces high-quality data about diagnosis and periodontal treatment. To date, there is not enough research regarding periodontal bone measurement using CBCT. The aim of this study was to compare the accuracy of CBCT in measuring periodontal defects to that of intraoral radiography and probing methods.Materials and Methods: Two-hundred a...
PURPOSE To compare immunostaining quantification obtained by a digital computer-assisted method with the well-established semiquantitative analysis. METHODS Cytoplasmic staining of galectin-3 was obtained by standard immunohistochemical reactions in 25 cases of well-differentiated thyroid carcinoma. The expression index that associates the conventional area fraction of labeled cells with the ...
background improper use of pesticides has become a serious in regard to human health in recent years. overlooking safety regulations, using pesticides creates many problems and health hazards for people. objectives this paper aimed to investigate the use of pesticides by pistachio farmers in kerman, iran. materials and methods this study was conducted in chatroud county, kerman province, iran. ...
The Pearson correlation coefficient, ρ (rho), is a popular statistic for describing the strength of the relationship between two variables. It is the slope of the regression line between two variables when both variables have been standardized by subtracting their means and dividing by their standard deviations. The correlation ranges between plus and minus one. The population correlation ρ is ...
in the first part of this thesis we explored wetting and its dynamics for small droplets. first, we showed how a simple feature of water droplets on a surface, i.e. laplace pressure, can be exploited to build a micropump. we investigated capillary pumping in microchannels both experimentally and numerically. putting two droplets of different sizes at the in/outlet of a microchannel, will ge...
results awareness of the majority of nurses about the rights of the patients with mental disorder and respect for their rights from their perspective were at a good level. using pearson correlation coefficient test, a statistically significant correlation was found between the level of awareness of and the respect for their rights from the perspective of nurses (p ≤ 0.002). conclusions this stu...
The aim of the present study was to verify the psychometric charactersistics of ISALEM-97 and to compare different cognitive learning styles in students. The sample consisted of 759 subjects who were selected to take part in the study in two stages. In the first stage, 55 subjects were selected with equal proportion from eleven departments of Shahid Beheshti University. The purpose of the first...
background: it is important to evaluate ovarian reserves prior to intracytoplasmic sperm injection (icsi) treatment. the aim of this study is to determine the accuracy of anti-mullerian hormone (amh) as a marker for ovarian reserve and to compare it with day-3 serum follicle-stimulating hormone (fsh) levels. materials and methods: in this analytic, corss-sectional study, sequential sampling was...
OBJECTIVE The objective of our study was to compare calculated prostate volumes derived from tridimensional MR measurements (ellipsoid formula), manual segmentation, and a fully automated segmentation system as validated by actual prostatectomy specimens. MATERIALS AND METHODS Ninety-eight consecutive patients (median age, 60.6 years; median prostate-specific antigen [PSA] value, 6.85 ng/mL) ...
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