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Margin fit

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https://www.readbyqxmd.com/read/29349801/evaluating-the-effects-of-rater-and-subject-factors-on-measures-of-association
#1
Kerrie P Nelson, Aya A Mitani, Don Edwards
Large-scale agreement studies are becoming increasingly common in medical settings to gain better insight into discrepancies often observed between experts' classifications. Ordered categorical scales are routinely used to classify subjects' disease and health conditions. Summary measures such as Cohen's weighted kappa are popular approaches for reporting levels of association for pairs of raters' ordinal classifications. However, in large-scale studies with many raters, assessing levels of association can be challenging due to dependencies between many raters each grading the same sample of subjects' results and the ordinal nature of the ratings...
January 19, 2018: Biometrical Journal. Biometrische Zeitschrift
https://www.readbyqxmd.com/read/29346929/numerical-estimation-of-structure-constants-in-the-three-dimensional-ising-conformal-field-theory-through-markov-chain-uv-sampler
#2
Victor Herdeiro
Herdeiro and Doyon [Phys. Rev. E 94, 043322 (2016)2470-004510.1103/PhysRevE.94.043322] introduced a numerical recipe, dubbed uv sampler, offering precise estimations of the conformal field theory (CFT) data of the planar two-dimensional (2D) critical Ising model. It made use of scale invariance emerging at the critical point in order to sample finite sublattice marginals of the infinite plane Gibbs measure of the model by producing holographic boundary distributions. The main ingredient of the Markov chain Monte Carlo sampler is the invariance under dilation...
September 2017: Physical Review. E
https://www.readbyqxmd.com/read/29345750/mobility-trajectories-at-the-end-of-life-comparing-clinical-condition-and-latent-class-approaches
#3
June R Lunney, Steven M Albert, Robert Boudreau, Diane Ives, Suzanne Satterfield, Anne B Newman, Tamara Harris
OBJECTIVES: To assess mobility disability trajectories before death in a large sample of very old adults using two analytical approaches to determine how well they corresponded. DESIGN: Decedent sample from the Health, Aging and Body Composition (Health ABC) Study. Data were collected between 1997 and 2015. SETTING: Pittsburgh, Pennsylvania, and Memphis, Tennessee. PARTICIPANTS: Individuals randomly selected from well-functioning white Medicare beneficiaries and all black community residents meeting age criteria (70-79) (N = 3,075)...
January 18, 2018: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/29343308/invited-review-genomic-selection-for-small-ruminants-in-developed-countries-how-applicable-for-the-rest-of-the-world
#4
R Mrode, G M Tarekegn, J M Mwacharo, A Djikeng
Improved management and use of estimated breeding values in breeding programmes, have resulted in rapid genetic progress for small ruminants (SR) in Europe and other developed countries. The development of single nucleotide polymorphisms chips opened opportunities for genomic selection (GS) in SR in these countries. Initially focused on production traits (growth and milk), GS has been extended to functional traits (reproductive performance, disease resistance and meat quality). The GS systems have been characterized by smaller reference populations compared with those of dairy cattle and consisting mostly of cross- or multi-breed populations...
January 18, 2018: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/29334304/switching-from-laparoscopic-radical-prostatectomy-to-robot-assisted-laparoscopic-prostatectomy-comparing-oncological-outcomes-and-complications
#5
Ida Johnson, Fredrik Ottosson, Lien My Diep, Rolf Eigil Berg, Jon-Roar Hoff, Nicolai Wessel, Lars Magne Eri, Viktor Berge
OBJECTIVES: To compare oncological outcomes and complication rates based on the Clavien classification between laparoscopic radical prostatectomies (LRP) and robot-assisted laparoscopic radical prostatectomies (RALP). MATERIAL AND METHODS: In a prospective quality registry clinical data were consecutively entered for 544 LRP and 1081 RALP patients operated from 2003 to the end of 2012. Complications within 90 days postoperatively were assessed according to the Clavien classification and compared between LRP and RALP patients...
January 15, 2018: Scandinavian Journal of Urology
https://www.readbyqxmd.com/read/29330373/the-association-of-fit-fat-index-with-incident-diabetes-in-japanese-men-a-prospective-cohort-study
#6
Robert A Sloan, Susumu S Sawada, Lee I-Min, Yuko Gando, Ryoko Kawakami, Takashi Okamoto, Koji Tsukamoto, Motohiko Miyachi
Type 2 diabetes is increasing globally and in Asia. The purpose of this study was to examine the association of a fit-fat index (FFI) with diabetes incidence among Japanese men. In total 5,014 men aged 18-64 years old, who had an annual health check up with no history of major chronic disease at baseline from 2002 to 2009 were observed. CRF was estimated via cycle ergometry. Overall, 7.6% of the men developed diabetes. The mean follow-up period was 5.3 years. Hazard ratios, 95% confidence intervals and P trend for diabetes incidence were obtained using the Cox proportional hazards model while adjusting for confounding variables...
January 12, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29329114/synovial-sarcomas-of-the-upper-aero-digestive-tract-is-there-a-role-for-conservative-surgery
#7
Alberto Paderno, Alessandro Gronchi, Cesare Piazza
PURPOSE OF REVIEW: To present the current state of knowledge concerning the role of conservative surgery in the treatment of synovial sarcomas of the upper aero-digestive tract (UADT). RECENT FINDINGS: The wider experience on synovial sarcomas involving the extremities and the results of retrospective reports focused on head and neck synovial sarcomas tend to justify a conservative surgical approach when dealing with tumors involving the UADT. SUMMARY: UADT synovial sarcomas is an extremely rare clinical entity (only around 50 cases reported in the literature, with four more herein presented from our own surgical series), with no clear guidelines concerning its treatment...
January 11, 2018: Current Opinion in Otolaryngology & Head and Neck Surgery
https://www.readbyqxmd.com/read/29324265/bayesian-spatiotemporal-crash-frequency-models-with-mixture-components-for-space-time-interactions
#8
Wen Cheng, Gurdiljot Singh Gill, Yongping Zhang, Zhong Cao
The traffic safety research has developed spatiotemporal models to explore the variations in the spatial pattern of crash risk over time. Many studies observed notable benefits associated with the inclusion of spatial and temporal correlation and their interactions. However, the safety literature lacks sufficient research for the comparison of different temporal treatments and their interaction with spatial component. This study developed four spatiotemporal models with varying complexity due to the different temporal treatments such as (I) linear time trend; (II) quadratic time trend; (III) Autoregressive-1 (AR-1); and (IV) time adjacency...
January 8, 2018: Accident; Analysis and Prevention
https://www.readbyqxmd.com/read/29315718/experimental-investigation-of-accommodation-in-eyes-fit-with-multifocal-contact-lenses-using-a-clinical-auto-refractor
#9
Basal H Altoaimi, Pete Kollbaum, Dawn Meyer, Arthur Bradley
PURPOSE: Multifocal or multi-zone contact lenses are increasingly being fit to young eyes in an attempt to control myopia progression. However, success in achieving this aim may depend on how much the eye accommodates. The purpose of the current work was to evaluate the ability of an open-field clinical autorefractor to measure on-axis refractive state and accommodation in eyes fit with multifocal contact lenses (CLs). METHODS: Refractive state was measured with a Grand Seiko WAM-5500 autorefractor (www...
January 8, 2018: Ophthalmic & Physiological Optics: the Journal of the British College of Ophthalmic Opticians (Optometrists)
https://www.readbyqxmd.com/read/29314433/the-effect-of-sintering-time-on-the-marginal-fit-of-zirconia-copings
#10
Amir Ali Reza Khaledi, Mahroo Vojdani, Mitra Farzin, Sudabeh Pirouzi, Sepideh Orandi
PURPOSE: This study analyzed the effect of different sintering times on the marginal adaptation of zirconia ceramic copings. MATERIALS AND METHODS: Thirty copings of pre-sintered 3Y-TZP blanks were milled and subsequently sintered in a special furnace for three different durations (n = 10 per group). The sintering time was 1 hour, 15 minutes for IPS e.max ZirCAD, 4 hours 20 minutes for Speed ZrO2, and 7 hours 20 minutes for the conventional ZrO2 group. The marginal gaps of specimens were measured at 18 spots on the master die by employing a digital microscope...
January 3, 2018: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
https://www.readbyqxmd.com/read/29305817/cognitive-load-predicts-point-of-care-ultrasound-simulator-performance
#11
Sara Aldekhyl, Rodrigo B Cavalcanti, Laura M Naismith
INTRODUCTION: The ability to maintain good performance with low cognitive load is an important marker of expertise. Incorporating cognitive load measurements in the context of simulation training may help to inform judgements of competence. This exploratory study investigated relationships between demographic markers of expertise, cognitive load measures, and simulator performance in the context of point-of-care ultrasonography. METHODS: Twenty-nine medical trainees and clinicians at the University of Toronto with a range of clinical ultrasound experience were recruited...
January 5, 2018: Perspectives on Medical Education
https://www.readbyqxmd.com/read/29304908/incisal-preparation-design-for-ceramic-veneers-a-critical-review
#12
Sy Yin Chai, Vincent Bennani, John M Aarts, Karl Lyons
BACKGROUND: The authors reviewed and identified the evidence for the various incisal preparation designs for ceramic veneers. TYPES OF STUDIES REVIEWED: The authors searched MEDLINE with PubMed and Ovid to identify any articles in the English language related to the topic up through March 2017 using a combination of key words: "porcelain veneer or ceramic veneer or dental veneer or labial veneer" AND "preparation," NOT "composite veneer," NOT "crown," NOT "implant," NOT "fixed partial denture or bridge or denture," NOT "porcelain-fused-to-metal," NOT "marginal gap or fit...
January 2018: Journal of the American Dental Association
https://www.readbyqxmd.com/read/29303757/a-comparison-of-marginal-fit-between-press-fabricated-and-cad-cam-lithium-disilicate-crowns
#13
Richard S Carlile, Wade H Owens, William J Greenwood, Peter H Guevara
The purpose of this study was to compare the marginal fit of press-fabricated lithium disilicate crowns with that of computer-aided design/computer-aided manufacturing (CAD/CAM) lithium disilicate crowns to determine if the fabrication method has an influence on marginal fit. The marginal fit of 25 pressed and 25 CAD/CAM crowns was measured using the replica technique. The sites measured were the mesial, distal, facial, and lingual margins. A microscope at 10× magnification was used to obtain the measurements...
January 2018: General Dentistry
https://www.readbyqxmd.com/read/29287771/lower-antibody-functionality-in-middle-aged-adults-compared-to-adolescents-after-primary-meningococcal-vaccination-role-of-igm
#14
Marieke van der Heiden, Mariette B van Ravenhorst, Marjan Bogaard, Annemieke M H Boots, Guy A M Berbers, Anne-Marie Buisman
INTRODUCTION: Successful vaccination of elderly persons is often hampered by immunological ageing, leaving part of the elderly population vulnerable for infectious diseases. As an alternative, timely vaccinations might be administered at middle-age, before reaching old age. Studies evaluating the immunological fitness of middle-aged adults are warranted. In this study we compared the immunogenicity of a primary meningococcal vaccination in Dutch middle-aged adults with that in adolescents, in order to gain knowledge on the early signs of immune ageing...
December 26, 2017: Experimental Gerontology
https://www.readbyqxmd.com/read/29282784/temperature-fluctuations-during-development-reduce-male-fitness-and-may-limit-adaptive-potential-in-tropical-rainforest-drosophila
#15
Andrew D Saxon, Eleanor K O'Brien, Jon R Bridle
Understanding the potential for organisms to tolerate thermal stress through physiological or evolutionary responses is crucial given rapid climate change. Although climate models predict increases in both temperature mean and variance, such tolerances are typically assessed under constant conditions. We tested the effects of temperature variability during development on male fitness in the rainforest fly Drosophila birchii, by simulating thermal variation typical of the warm and cool margins of its elevational distribution, and estimated heritabilities and genetic correlations of fitness traits...
December 28, 2017: Journal of Evolutionary Biology
https://www.readbyqxmd.com/read/29279766/evaluation-of-marginal-and-internal-gap-of-three-unit-metal-framework-according-to-subtractive-manufacturing-and-additive-manufacturing-of-cad-cam-systems
#16
Dong-Yeon Kim, Eo-Bin Kim, Hae-Young Kim, Ji-Hwan Kim, Woong-Chul Kim
PURPOSE: To evaluate the fit of a three-unit metal framework of fixed dental prostheses made by subtractive and additive manufacturing. MATERIALS AND METHODS: One master model of metal was fabricated. Twenty silicone impressions were made on the master die, working die of 10 poured with Type 4 stone, and working die of 10 made of scannable stone. Ten three-unit wax frameworks were fabricated by wax-up from Type IV working die. Stereolithography files of 10 three-unit frameworks were obtained using a model scanner and three-dimensional design software on a scannable working die...
December 2017: Journal of Advanced Prosthodontics
https://www.readbyqxmd.com/read/29276850/maintaining-stable-transfemoral-amputee-gait-on-level-sloped-and-simulated-uneven-conditions-in-a-virtual-environment
#17
James A Sturk, Edward D Lemaire, Emily H Sinitski, Nancy L Dudek, Markus Besemann, Jacqueline S Hebert, Natalie Baddour
PURPOSE: Describe and quantify how people with transfemoral amputations (TFA) maintain stable gait over a variety of surfaces; including, downhill and uphill, top and bottom-cross-slopes, medial-lateral translations, rolling hills and simulated rocky surfaces. METHODS: Ten TFA and ten matched people without amputations (NA) walked in a virtual environment with level, sloped and simulated uneven surfaces on a self-paced treadmill. Stability was quantified using medial-lateral margin of stability (ML-MoS), step parameters, and gait variability (standard deviations for speed, temporal-spatial parameters, foot clearance and root-mean-square of medial-lateral trunk acceleration)...
December 24, 2017: Disability and Rehabilitation. Assistive Technology
https://www.readbyqxmd.com/read/29273595/promis-gh-patient-reported-outcomes-measurement-information-system-global-health-scale-in-stroke-a-validation-study
#18
Irene L Katzan, Brittany Lapin
BACKGROUND AND PURPOSE: The International Consortium for Health Outcomes Measurement recently included the 10-item PROMIS GH (Patient-Reported Outcomes Measurement Information System Global Health) scale as part of their recommended Standard Set of Stroke Outcome Measures. Before collection of PROMIS GH is broadly implemented, it is necessary to assess its performance in the stroke population. The objective of this study was to evaluate the psychometric properties of PROMIS GH in patients with ischemic stroke and intracerebral hemorrhage...
January 2018: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/29261432/entering-the-field-of-physical-education-the-journey-of-fifteen-first-year-teachers
#19
Julene Ensign, Amelia Mays Woods, Pamela Hodges Kulinna
PURPOSE: Given the significant challenges facing today's physical educators, the purpose of this study was to examine the expectations of induction teachers and identify the factors in both their personal and organizational environments enhanced or constrained their assimilation into the field during their 1st year. METHOD: Using occupational socialization theory as a guide, data from demographic surveys and a series of formal interviews with participants at the beginning, middle, and end of the school year were inductively analyzed for theme development...
December 20, 2017: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/29249881/marginal-and-internal-fit-of-cobalt-chromium-copings-fabricated-using-the-conventional-and-the-direct-metal-laser-sintering-techniques-a-comparative-in-vitro-study
#20
Sujana Ullattuthodi, Kandathil Phillip Cherian, R Anandkumar, M Sreedevi Nambiar
Background and Objectives: This in vitro study seeks to evaluate and compare the marginal and internal fit of cobalt-chromium copings fabricated using the conventional and direct metal laser sintering (DMLS) techniques. Methods: A master model of a prepared molar tooth was made using cobalt-chromium alloy. Silicone impression of the master model was made and thirty standardized working models were then produced; twenty working models for conventional lost-wax technique and ten working models for DMLS technique...
October 2017: Journal of Indian Prosthodontic Society
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