Limpar
139.798 resultados

Acesso aberto

Tipo do recurso

Tipo de base de dados

Ano de criação

Produção nacional

Revisado por pares

Áreas

Idioma

Editores

Primary Document Acesso aberto

Exposing the machinations of the Kappa Lambda Society, a secret medical fraternity, and charging it with conspiracy to elect its members to positions of influence in the ...

0000 - Gale Group | Sabin backfiles 2011

Artigo Acesso aberto

Xinru Chen, Xinyi Jin, Jihui Zhang, Kwok W. Ho, Yongli Wei, Hanrong Cheng,

... 8% for rapid eye movement sleep. Furthermore, the kappa agreements of 0.69–0.79 were indicative ... were 93.4% and 88.9%, yielding a kappa coefficient of 0.82.Conclusions:Our findings suggest ... NCSS Company, Kaysville, Utah) based on Cohen's kappa, alpha = 0.05, power = 90%. Results suggested a ... and t test for continuous variables.Cohen's kappa was used to assess agreements for the pairwise ... rapid eye movement, UMS = UMindSleep forehead sleep recorder.Kappa valuesKappa values for sleep staging described in Table ...

Tópico(s): Sleep and related disorders

2023 - American Academy of Sleep Medicine | Journal of Clinical Sleep Medicine

Artigo Acesso aberto Revisado por pares

G. Livadiotis, D. J. McComas,

... this paper, we develop the transport equation of kappa, the fundamental thermodynamic parameter that labels kappa distributions of particle velocities. Using the recently developed ... are able to formulate the transport equation of kappa as a function of a general, positive or ... decrease the entropy of the flow of otherwise kappa-distributed plasma protons. Finally, we apply the transport equation of kappa to the solar wind plasma protons, which leads to the radial profile of kappa values, as well as the evolution of the ...

Tópico(s): Advanced Thermodynamics and Statistical Mechanics

2023 - IOP Publishing | The Astrophysical Journal

Primary Document Acesso aberto

"Phi Beta Kappa" on cover of 1860 issue is printed in the letters of the Greek alphabet. Chiefly lists of past ...

0000 - Gale Group | Sabin

Revisão Acesso aberto Revisado por pares

Werner Vach, Oke Gerke,

... Highlights•Both Gwet's AC1 and Cohen's kappa compare the observed agreement rate with a comparator, ... different comparators.•Gwet's AC1 and Cohens's kappa behave completely different with respect to the influence ... AC1 is not a substitute for Cohen's kappa.AbstractGwet's AC1 has been proposed as an alternative to Cohen's kappa in evaluating the agreement between two binary ratings. ... have been criticized for still using Cohen's kappa. However, a rigorous discussion of properties of Gwet' ... investigated and compared with those of Cohen's kappa, in particular the dependence on the prevalence of ...

Tópico(s): Statistical Methods in Epidemiology

2023 - Elsevier BV | MethodsX

Primary Document Acesso aberto

"Phi Beta Kappa" on cover of 1860 issue is printed in the letters of the Greek alphabet. Chiefly lists of past ...

0000 - Gale Group | Sabin

Artigo Acesso aberto Revisado por pares

Þórir Einarsson Long, Sæmundur Rögnvaldsson, Sigrún Þorsteinsdóttir, Ingigerður Sverrisdóttir, Elías Eyþórsson, Ólafur S. Indridason, Runólfur Pálsson, Thor Aspelund, Brynjar Viðarsson, Páll T. Önundarson, Bjarni A. Agnarsson, Margrét Sigurðardóttir, Ingunn Þorsteinsdóttir, Ísleifur Ólafsson, Ásdís Rósa Þórðardóttir, Ásbjörn Jónsson, Gauti Kjartan Gíslason, Andri Ólafsson, Malin Hultcrantz, Brian G.M. Durie, Stephen J. Harding, Þorvarður Jón Löve, Ola Landgren, Sigurður Y. Kristinsson,

... light chain (FLC) measurement, consisting of serum free kappa, serum free lambda, and a calculated FLC ratio (kappa/lambda), plays a pivotal role in the diagnosis, ... disorder. Several years ago, reference intervals for serum kappa (3.3-19.4 mg/L) and lambda ( ... The 0.5 and 99.5 percentiles of kappa FLC, lambda FLC, and the FLC ratio distributions ... analysis. The median (interquartile range, IQR) serum free kappa was 14.3 (11.6-17.8) mg/ ... strong correlation was found between age and serum kappa FLC (ρ = 0.27, p < 0.001), ...

Tópico(s): Chronic Lymphocytic Leukemia Research

2023 - Elsevier BV | Blood

Primary Document Acesso aberto

Marsh, George Perkins,

Delivered before the Phi Beta Kappa Society at Harvard University. Book.

0000 - Gale Group | Sabin

Artigo Acesso aberto Revisado por pares

Georgina Arrambide, Carmen Espejo, Pere Carbonell‐Mirabent, Romina Dieli-Crimi, Marta Rodríguez‐Barranco, Mireia Castillo, Cristina Auger, Simón Cárdenas‐Robledo, Joaquín Castilló, Álvaro Cobo‐Calvo, Ingrid Galán, Luciana Midaglia, Carlos Nos, Susana Otero‐Romero, Jordi Río, Breogán Rodrı́guez‐Acevedo, M. Ruiz Ortiz, Annalaura Salerno, Paula Tagliani, Carmen Tur, Ángela Vidal‐Jordana, Ana Zabalza, Jaume Sastre‐Garriga, Àlex Rovira, Manuel Comabella, M. Hernández, Xavier Montalbán, Mar Tintoré,

Intrathecal production of kappa free light chains occurs in multiple sclerosis and can be measured using the kappa free light chain index. Kappa free light chain index values can be determined ... sclerosis. We assessed the value of oligoclonal bands, kappa free light chain index cut-offs 5.9, ... of paired CSF and blood samples to determine kappa free light chain indexes (n = 214). We used ... bands were positive in 138 patients (64.5%), kappa free light chain-5.9 in 136 (63.6%), kappa free light chain-6.6 in 135 (63. ...

Tópico(s): Peripheral Neuropathies and Disorders

2022 - Oxford University Press | Brain

Jornais Acesso aberto

W. R. Bowling, Paul F. Eve, Joseph R. Buchanan, Chas. W. Jarvis,

... Colleges—Medical Professors—Consultations: What Are They?—The Kappa Lambda Clique: What Is That?, Dr. Beale, of ...

0000 - Gale Group | NCCO-STM 1of2

Artigo Acesso aberto Revisado por pares

Anubhava Srivastava, Shruti Bharadwaj, Rajat Dubey, Vinamra Sharma, Shwetangshu Biswas,

... accuracy measurement we use confusion and Cohen’s kappa calculation method.We have calculated CART (Accuracy 93.52% and Kappa coefficient 91.36%), Random Forest (Accuracy 95.86% and Kappa coefficient 94.48%),Gradient Tree Boost (Accuracy 95.33% and Kappa coefficient 93.37%),Support Vector Machine (Accuracy 73.54% and Kappa coefficient 76.28%) for Landsat 8 data sets and CART (Accuracy 89.24% and Kappa coefficient 85.64%), Random Forest (Accuracy 91.45% and Kappa coefficient 88.59%),Gradient Tree Boost (Accuracy 87. ...

Tópico(s): Remote-Sensing Image Classification

2022 - Copernicus Publications | ˜The œinternational archives of the photogrammetry, remote sensing and spatial information sciences/International archives of the photogrammetry, remote sensing and spatial information sciences

Primary Document Acesso aberto

Bigelow, Timothy,

The "Phi" in Phi Beta Kappa romanized from Greek letter in title. Book.

0000 - Gale Group | Sabin

Artigo Acesso aberto Revisado por pares

Wenlin Ren, Xiaohui Ju, Mingli Gong, Jun Lan, Yanying Yu, Quanxin Long, Devin Kenney, Aoife K. O’Connell, Yu Zhang, Jin Zhong, Guocai Zhong, Florian Douam, Xinquan Wang, Ailong Huang, Rong Zhang, Qiang Ding,

... SARS-CoV-2) variants B.1.617.1 (Kappa), B.1.617.2 (Delta), and B.1. ... were identified in India. The spike protein of Kappa contains the four mutations E154K, L452R, E484Q, and ... entry inhibitors. In this study, we found that Kappa, Delta, or B.1.618 spike uses human ... cleavage, which could facilitate viral entry. In addition, Kappa, Delta, and B.1.618 exhibit a reduced ... cleavage, and reduced sensitivity to neutralization antibodies of Kappa, Delta and B.1.618 may contribute to ... SARS-CoV-2 variants B.1.617.1 (Kappa), B.1.617.2 (Delta), and B.1. ...

Tópico(s): COVID-19 Clinical Research Studies

2022 - American Society for Microbiology | mBio

Primary Document Acesso aberto

Putnam, George,

... a vol. with binder's title: Phi Beta Kappa lectures. Book.

0000 - Gale Group | Sabin

Artigo Acesso aberto Revisado por pares

Miaomiao Qin, Yurong Yuan, Ying Wang, Pengfei Li, Wei Chen, Yong Wang, Mei Yang, Jian Wu, Min Ji, Jiawei Luo, Jiamin Tang, Xiaojuan Chen, Yemeng Huang, Huaijin Guan,

Angle kappa plays a vital role in the implantation of multifocal intraocular lens (MIOL). Large angle kappa is related to a higher risk of postoperative ... phenomena. This study aims to compare preoperative angle kappa in the eyes of cataract patients obtained from ... 3 times using all devices to obtain angle kappa and pupil diameter. When considering dependent eyes for one individual, angle kappa in both right eyes and left eyes should ... repeatability and interoperator and intersession reproducibility of angle kappa showed an Sw of less than 0.05 ...

Tópico(s): Ophthalmology and Visual Impairment Studies

2022 - BioMed Central | BMC Ophthalmology

Primary Document Acesso aberto

Sumner, Charles,

... Mr. Sumner's address before the Phi Beta Kappa Society. "Pickering, the scholar, Story, the jurist, Allston, ...

0000 - Gale Group | Sabin

Artigo Acesso aberto Revisado por pares

Panagiota Birmpili, Eleanor Atkins, Qiuju Li, Amundeep S. Johal, Sam Waton, R Williams, Arun Pherwani, David Cromwell,

... recorded in HES was evaluated using the unweighted Kappa statistic and sensitivity and specificity. Agreement between the ... Agreement between NVR and HES on patient gender (Kappa = 0.98), age (Kappa = 0.98), mode of admission (Kappa = 0.80), and procedure type and side (Kappa = 0.92 and 0.87, respectively) was excellent. ... was observed for chronic ischaemia with tissue loss (Kappa = 0.63), but it was lower for chronic ischaemia without tissue loss (Kappa = 0.32) and acute limb ischaemia (Kappa = 0.15). Agreement on comorbidities was mixed; excellent ...

Tópico(s): Cerebrovascular and Carotid Artery Diseases

2022 - Elsevier BV | EClinicalMedicine

Primary Document Acesso aberto

Whitwell, Benjamin,

Greek characters in subtitle replaced by Roman in brackets. Book.

0000 - Gale Group | Sabin

Artigo Acesso aberto Revisado por pares

Pushpa Panday, Binoy Krishna Patra,

... thermal) conductivities (${\ensuremath{\sigma}}_{\text{Ohmic}}$ and ${\ensuremath{\kappa}}_{0}$ as the coefficients of charge and heat ... Hall counterparts (${\ensuremath{\sigma}}_{\text{Hall}}$ and ${\ensuremath{\kappa}}_{1}$, respectively). It is found in charge transport ... magnetic field on the usual thermal conductivity (${\ensuremath{\kappa}}_{0}$) and Hall-type coefficient (${\ensuremath{\kappa}}_{1}$) in both modes is identical to the ... B$ on $\mathrm{\ensuremath{\Omega}}$ either with ${\ensuremath{\kappa}}_{0}$ or with ${\ensuremath{\kappa}}_{1}$ for both ...

Tópico(s): Quantum, superfluid, helium dynamics

2022 - American Physical Society | Physical review. D/Physical review. D.

Primary Document Acesso aberto

"Essays from the 'Medical examiner'." Book.

0000 - Gale Group | Sabin

Artigo Acesso aberto Revisado por pares

Johan Staaf, Jari Häkkinen, Cecilia Hegardt, Lao H. Saal, Siker Kimbung, Ingrid Hedenfalk, Tonje G. Lien, Thérese Sørlie, Bjørn Naume, Hege G. Russnes, Rachel Marcone, Ayyakkannu Ayyanan, Cathrin Brisken, Rebecka R. Malterling, B. Asking, Helena Olofsson, Henrik Lindman, Pär‐Ola Bendahl, Anna Ehinger, Christer Larsson, Niklas Loman, Lisa Rydén, Martin Malmberg, Åke Borg, Johan Vallon‐Christersson,

... NC for PAM50 (five subtypes) was high (85%, Kappa = 0.78) for Subtype (four subtypes) very high (90%, Kappa = 0.84) and for ROR risk category high (84%, Kappa = 0.75, weighted Kappa = 0.90). Prognostic value was assessed as equivalent ... concordance was high for subtype (OSLO-EMIT0 83%, Kappa = 0.73 and ABiM 80%, Kappa = 0.72) and moderate and high for ROR risk category (68 and 84%, Kappa = 0.50 and 0.70, weighted Kappa = 0.70 and 0.78). Pooled concordance for ... treatment recommendation dichotomized for chemotherapy was high (85%, Kappa = 0.66). Retrospective evaluation suggested that SSP application ...

Tópico(s): Gene expression and cancer classification

2022 - Nature Portfolio | npj Breast Cancer

Artigo Acesso aberto Revisado por pares

Ana Flack, Satya N. Majumdar, Grégory Schehr,

... here the center of mass of the $N' = \kappa \, N$ (with $0 < \kappa \leq 1$) rightmost particles. It interpolates between the position of the rightmost particle (in the limit $\kappa \to 0$) and the full center of mass (in the limit $\kappa \to 1$). We show that, for large $N$, $ ... The atypical large fluctuations of $s$, for fixed $\kappa$, are instead described by a large deviation form ${\cal P}_{N, \kappa}(s)\simeq \exp{\left[-N^3 \phi_\kappa(s)\right]}$, where the rate function $\phi_\kappa(s)$ is computed analytically. We show that $\phi_{\ ...

Tópico(s): Theoretical and Computational Physics

2021 - Institute of Physics | Journal of Physics A Mathematical and Theoretical

Primary Document Acesso aberto

Rae, Luzerne,

Copied from the original in the Library of Congress. Book.

0000 - Gale Group | Sabin

Artigo Acesso aberto Revisado por pares

Alexandra de Raadt, Matthijs J. Warrens, Roel Bosker, Henk A. L. Kiers,

Abstract Kappa coefficients are commonly used for quantifying reliability on a categorical scale, whereas correlation coefficients are commonly applied ... seven reliability coefficients for ordinal rating scales: the kappa coefficients included are Cohen’s kappa, linearly weighted kappa, and quadratically weighted kappa; the correlation coefficients included are intraclass correlation ICC( ... methods, it is shown that differences between quadratic kappa and the Pearson and intraclass correlations increase if ...

Tópico(s): Multi-Criteria Decision Making

2021 - Springer Science+Business Media | Journal of Classification

Artigo Acesso aberto

Michael Yurcheshen, Wilfred R. Pigeon, Carolina Z. Marcus, Jonathan A. Marcus, Susan Messing, Kevin Nguyen, Jennifer Marsella,

... probability for obstructive sleep apnea showed a weighted kappa value of 0.414 (standard error 0.090, ... 002), suggesting moderate agreement between the 2 raters. Kappa values of our secondary outcomes varied widely, but the kappa values were lower for physical exam findings compared ... a significance level of .05 to detect a kappa of 0.60 in a test of kappa > 0.4, assuming an overall clinic population risk ... an assumed 10% dropout.Statistical analysisKappa and weighted kappa were evaluated for in-person vs telemedicine evaluations. ...

Tópico(s): Chronic Obstructive Pulmonary Disease (COPD) Research

2021 - American Academy of Sleep Medicine | Journal of Clinical Sleep Medicine

Primary Document Acesso aberto

Spooner, William Jones,

Includes bibliographical references. Book.

0000 - Gale Group | Sabin