نتایج جستجو برای: r2 and roc indices pseudo
تعداد نتایج: 16848633 فیلتر نتایج به سال:
Background: We aimed to detect whether risk stratification of hemodialysis (HD) patients with a combination of both malnutrition-inflammation score (MIS) and hand grip strength (HGS) indices identified more precisely patients at increased risk of protein-energy wasting (PEW). Methods: This was a deductive-analytical cross-sectional study. We determined the HGS...
A pseudo-strain energy function (pseudo-SEF) describing the biomechanical properties of large conduit arteries under the influence of vascular smooth muscle (VSM) tone is proposed. In contrast to previous models that include the effects of smooth muscle contraction through generation of an active stress, in this study we consider the vascular muscle as a structural element whose contribution to...
While peaked T-waves have traditionally been associated with hyperkalemia cases, previous studies have called their reliability for hyperkalemia diagnosis into question. This study examined 89 ESRD patients totaling to 736 patient visits. Linear regressions and receiver operating characteristic (ROC) analyses were utilized to assess the reliability of peaked T-waves as a diagnostic criterion fo...
Background & Objective: Because of uncertainty in interpretation of some tests for diagnosing TB, decision making for the tuberculosis treatment is based on multiple diagnostic tests. This study was conducted to assess the accuracy of Quanti FERON-TB Gold test in tuberculosis diagnosis. Methods: The study was carried out on 30 cases and 46 controls. Statistical indices of sensitivity, specif...
PURPOSE To evaluate the feasibility of applying R2* values to differentiate hepatocellular carcinomas (HCC) from cavernous hemangiomas of the liver (CHL). MATERIALS AND METHODS This retrospective study was approved by the participating Institutional Review Board and written informed consent for all subjects were obtained. Seventy-three patients with 79 pathologically identified HCCs and 65 pa...
OBJECTIVE To determine whether serum fructosamine correlates with glycemic control and clinical outcomes in patients being screened for cystic fibrosis-related diabetes (CFRD). METHODS Fructosamine and percent predicted forced expiratory volume in 1s (FEV1) were measured in patients undergoing a 2h oral glucose tolerance test (OGTT) for CFRD screening. Fractional serum fructosamine (FSF) was ...
Methyl orange is one dye resulted from the textile industry. The aim of this study is to test theadsorption capacity of nickel oxide nanoparticles for removing the methyl orange from aqueoussolution. The parameters studied were the effect of temperature, contact time and initial pH ofsolution. Results indicate that the removal efficiency of nickel oxide nanoparticles increases withincreasing co...
The Normalized Difference Vegetation Index (NDVI) is widely used for Leaf Area Index (LAI) estimation. It is well documented that the NDVI is extremely subject to the saturation problem when LAI reaches a high value. A new multi-angular vegetation index, the Hotspot-darkspot Difference Vegetation Index (HDVI) is proposed to estimate the high density LAI. The HDVI, defined as the difference betw...
Initial periods of adsorption kinetics play an important role in estimating the initial rate and constant process. Several processes rapidly occur, experimental data under can contain potential errors. The pseudo-second-order (PSO) kinetic model has been popularly applied field adsorption. use nonlinear optimization method to obtain parameters PSO minimize error functions during modelling compa...
Bound states generated by the K coupled PT −symmetric square wells are studied in a series of models where the Hamiltonians are assumed R−pseudo-Hermitian and R2−symmetric. Specific rotation-like generalized parities R are considered such that RN = I at some integers N . We show that and how our assumptions make the models exactly solvable and quasi-Hermitian. This means that they possess the r...
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