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https://www.readbyqxmd.com/read/28447813/using-response-time-data-to-reduce-testing-time-in-cognitive-tests
#1
Maria Bertling, Jonathan P Weeks
Achievement estimates are often based on either number correct scores or IRT-based ability parameters. Van der Linden (2007) and other researchers (e.g., Fox, Klein Entink, & van der Linden, 2007; Ranger, 2013) have developed psychometric models that allow for joint estimation of speed and item parameters using both response times and response data. This paper presents an application of this type of approach to a battery of 4 types of fluid reasoning measures, administered to a large sample of a highly educated examinees...
April 27, 2017: Psychological Assessment
https://www.readbyqxmd.com/read/28345681/-studies-on-lyme-disease-incidence-rates-in-selected-groups-of-forestry-workers-in-west-pomerania-2005-2014
#2
Tomasz Stawicki
BACKGROUND: The data collected by sanitary-epidemiological stations in 2005-2014 were analyzed to determine the incidence rates of borreliosis Lyme disease in the West Pomerania group of workers exposed to tick bites. MATERIAL AND METHODS: It was assumed that an adequate comparison of official epidemiological data with the data concerning the number of exposed people, is an indispensable condition for assessing properly the trend in Lyme disease incidence rates, concerning at the same time a real scale of occupational exposure...
March 24, 2017: Medycyna Pracy
https://www.readbyqxmd.com/read/28342344/water-hardness-determines-226-ra-uptake-in-the-tropical-freshwater-mussel
#3
Che Doering, Andreas Bollhöfer
Chemical data for freshwater mussels (Velesunio spp.) and water from 15 sampling sites in the Alligator Rivers Region and Rum Jungle uranium provinces in tropical Northern Australia were analysed to develop a predictive model of radium-226 ((226)Ra) bioaccumulation for variable water calcium (Ca) and magnesium (Mg) concentrations. Application of the model as a (226)Ra screening approach for freshwater mussels in tropical waterbodies potentially impacted by operational or remediated uranium mine sites is discussed in relation to Mudginberri Billabong, located approximately 12 km downstream of Ranger uranium mine in the Alligator Rivers Region...
March 22, 2017: Journal of Environmental Radioactivity
https://www.readbyqxmd.com/read/28339802/alterations-in-urinary-collagen-peptides-in-lupus-nephritis-subjects-correlate-with-renal-dysfunction-and-renal-histopathology
#4
Ru Wei, Benbo Gao, Fei Shih, Ann Ranger, Andrea Dearth, Harald Mischak, Justyna Siwy, Nicolas Wisniacki, Michelle Petri, Linda C Burkly
Background.: The excessive accumulation of extracellular matrix (ECM) in the renal tubulointerstitium is a key component of chronic renal damage in lupus nephritis (LN) and a critical determinant of the disease progression to renal failure. Detection of fibrosis requires renal biopsy and is therefore limited by high risks associated with an invasive procedure. This study explores whether a unique LN urinary peptidome can be identified and whether LN-specific alteration reflects the underlying fibrogenic process of altered ECM turnover...
February 23, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28338599/volumetric-control-of-whole-blood-collection-in-austere-environments
#5
Michael A Meledeo, Andrew D Fisher, Grantham C Peltier, Ethan A Miles, William B Muse, Win B Kerr, Shawn C Nessen, Andrew P Cap
INTRODUCTION: Fresh whole blood transfusions are a powerful tool in prehospital care; however, the lack of equipment such as a scale in field situations frequently leads to collections being under- or overfilled, leading to complications for both patient and donor. This study describes two methods for simple, rapid control of collection bag volume: (1) a length of material to constrict the bag, and (2) folding/clamping the bag. METHOD: Whole blood collection bags were allowed to fill with saline via gravity...
March 23, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28333835/zero-preventable-deaths-after-traumatic-injury-an-achievable-goal
#6
Philip C Spinella
Preventable deaths after injury must be reduced to improve outcomes for trauma patients. The elimination of preventable deaths after injury has been documented by the 75th US Army Ranger Regiment. Therefore, zero preventable deaths after injury is an achievable goal. Trauma is the most common cause of death between the ages of 1-46 and is the most common cause of life-years lost, before 75 years of age, compared to all other etiologies. Traumatic Hemorrhagic Shock (THS) is the leading cause of death that is preventable after injury, accounting for potentially 17,000 preventable deaths per year in the US...
March 22, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28333833/leadership-and-a-casualty-response-system-for-eliminating-preventable-death
#7
Russ S Kotwal, Harold R Montgomery, Ethan A Miles, Curtis C Conklin, Michael T Hall, Stanley A McChrystal
Combat casualties who die from their injuries do so primarily in the prehospital setting. Although most of these deaths result from injuries that are non-survivable, some are potentially survivable. Of injuries that are potentially survivable, most are from hemorrhage. Thus, military organizations should direct efforts toward prehospital care, particularly through early hemorrhage control and remote damage control resuscitation, in order to eliminate preventable death on the battlefield. A systems-based approach and priority of effort for institutionalizing such care was developed and maintained by medical personnel and command-directed by non-medical combatant leaders within the 75th Ranger Regiment, U...
March 22, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28330800/tourniquet-and-closed-suction-drains-in-total-knee-arthroplasty-no-beneficial-effects-on-bleeding-management-and-knee-function-at-a-higher-cost
#8
D Yin, J Delisle, A Banica, A Senay, P Ranger, G Y Laflamme, J Jun, J Fernandes
BACKGROUND: Blood loss is a major concern in total knee arthroplasty (TKA) along with postoperative knee function. The present study explores the impact of tourniquet (T) and closed-suction drains (D) on these parameters in TKA. MATERIALS AND METHODS: A prospective study was conducted on 111 patients admitted for TKA. Subjects were divided into three groups: 36 in group T+D+, 42 in T-D+ and 33 in T-D- (where T+: prolonged tourniquet use, T-: cementation-only tourniquet, D+: closed-suction drain use, and D-: no drain)...
March 19, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28328632/use-of-processed-nerve-allografts-to-repair-nerve-injuries-greater-than-25-mm-in-the-hand
#9
Brian Rinker, Jozef Zoldos, Renata V Weber, Jason Ko, Wesley Thayer, Jeffrey Greenberg, Fraser J Leversedge, Bauback Safa, Gregory Buncke
Processed nerve allografts (PNAs) have been demonstrated to have improved clinical results compared with hollow conduits for reconstruction of digital nerve gaps less than 25 mm; however, the use of PNAs for longer gaps warrants further clinical investigation. Long nerve gaps have been traditionally hard to study because of low incidence. The advent of the RANGER registry, a large, institutional review board-approved, active database for PNA (Avance Nerve Graft; AxoGen, Inc, Alachua, FL) has allowed evaluation of lower incidence subsets...
March 21, 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28324688/estimating-doses-from-aboriginal-bush-foods-post-remediation-of-a-uranium-mine
#10
Che Doering, Andreas Bollhöfer, Peter Medley
This paper presents a calculator to facilitate assessments of ingestion doses from Aboriginal bush foods. The calculator combines information on traditional diet and land use with radionuclide concentration ratios and ingestion dose coefficients to estimate doses. The calculator was applied to the planned remediation of Ranger uranium mine to derive a set of scaling factors between radionuclide activity concentrations in environmental media and ingestion dose from bush foods. The scaling factors can be used to estimate doses from bush foods once the post-remediation radiological conditions of the mine and surrounding environment are known...
March 18, 2017: Journal of Environmental Radioactivity
https://www.readbyqxmd.com/read/28318455/airway-management-in-disaster-response-a-manikin-study-comparing-direct-and-video-laryngoscopy-for-endotracheal-intubation-by-prehospital-providers-in-level-c-personal-protective-equipment
#11
Sami Yousif, Jason T Machan, Yasser Alaska, Selim Suner
Introduction Airway management is one of many challenges that medical providers face in disaster response operations. The use of personal protective equipment (PPE), in particular, was found to be associated with higher failure rates and a prolonged time to achieve airway control. Hypothesis/Problem The objective of this study was to determine whether video laryngoscopy could facilitate the performance of endotracheal intubation by disaster responders wearing Level C PPE. METHODS: In this prospective, randomized, crossover study, a convenience sample of practicing prehospital providers were recruited...
March 20, 2017: Prehospital and Disaster Medicine
https://www.readbyqxmd.com/read/28207752/soilgrids250m-global-gridded-soil-information-based-on-machine-learning
#12
Tomislav Hengl, Jorge Mendes de Jesus, Gerard B M Heuvelink, Maria Ruiperez Gonzalez, Milan Kilibarda, Aleksandar Blagotić, Wei Shangguan, Marvin N Wright, Xiaoyuan Geng, Bernhard Bauer-Marschallinger, Mario Antonio Guevara, Rodrigo Vargas, Robert A MacMillan, Niels H Batjes, Johan G B Leenaars, Eloi Ribeiro, Ichsani Wheeler, Stephan Mantel, Bas Kempen
This paper describes the technical development and accuracy assessment of the most recent and improved version of the SoilGrids system at 250m resolution (June 2016 update). SoilGrids provides global predictions for standard numeric soil properties (organic carbon, bulk density, Cation Exchange Capacity (CEC), pH, soil texture fractions and coarse fragments) at seven standard depths (0, 5, 15, 30, 60, 100 and 200 cm), in addition to predictions of depth to bedrock and distribution of soil classes based on the World Reference Base (WRB) and USDA classification systems (ca...
2017: PloS One
https://www.readbyqxmd.com/read/28176049/experimental-comparison-of-performances-of-mega-acer-kit-ranger-and-thermosens-according-to-flow-rates-and-distances
#13
Hong Ju Seo, Sang Hun Kim, Tae Hun An, Dong Joon Kim
We experimentally investigated the fluid warming performances of three warmers with different technology, according to flow rates and distances. We used the following intravenous fluid warmers: Mega Acer Kit (Group M, n = 8), Ranger (group R, n = 8), and ThermoSens (group T, n = 8). Fluids that had been stored in the operating room over the previous 24 h were delivered at sequent flow rates of from 440 mL/h up to 2500 mL/h through preheated warming devices. The fluid temperatures were recorded at the inlet point, 76-cm proximal (Pout1) and 166-cm distal outlet points (Pout2) every 1 min for 10 min...
February 7, 2017: Journal of Clinical Monitoring and Computing
https://www.readbyqxmd.com/read/28155286/wildlife-livestock-interactions-and-risk-areas-for-cross-species-spread-of-bovine-tuberculosis
#14
Natascha V Meunier, Peregrine Sebulime, Richard G White, Richard Kock
The transmission of diseases between livestock and wildlife can be a hindrance to effective disease control. Maintenance hosts and contact rates should be explored to further understand the transmission dynamics at the wildlife-livestock interface. Bovine tuberculosis (BTB) has been shown to have wildlife maintenance hosts and has been confirmed as present in the African buffalo (Syncerus caffer) in the Queen Elizabeth National Park (QENP) in Uganda since the 1960s. The first aim of this study was to explore the spatio-temporal spread of cattle illegally grazing within the QENP recorded by the Uganda Wildlife Authority (UWA) rangers in a wildlife crime database...
January 23, 2017: Onderstepoort Journal of Veterinary Research
https://www.readbyqxmd.com/read/28094038/triaging-hpv-positive-women-with-p16-ki-67-dual-stained-cytology-results-from-a-sub-study-nested-into-the-athena-trial
#15
Thomas C Wright, Catherine M Behrens, James Ranger-Moore, Susanne Rehm, Abha Sharma, Mark H Stoler, Ruediger Ridder
OBJECTIVES: In addition to genotyping for HPV16/18, dual-immunostaining for p16/Ki-67 has shown promise as a triage of HPV-positive women. We assessed the performance of p16/Ki-67 dual-stained cytology for triaging HPV-positive women undergoing primary HPV screening. METHODS: All women ≥25years with valid cervical biopsy and cobas® HPV Test results from the cross-sectional phase of ATHENA who were referred to colposcopy (n=7727) were eligible for enrolment. p16/Ki-67 dual-stained cytology was retrospectively performed on residual cytologic material collected into a second liquid-based cytology vial during the ATHENA enrolment visit...
January 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/27971878/one-year-patient-reported-persistence-to-antiresorptive-treatment-in-a-fracture-liaison-service-the-lucky-bone%C3%A2-program
#16
A Senay, J Delisle, J Raynauld, A Banica, Y Troyanov, P Beaumont, M Giroux, A Jodoin, Y Laflamme, S Leduc, J MacThiong, M Malo, G Maurais, H Nguyen, S Parent, P Ranger, D Rouleau, S Perreault, J C Fernandes
No abstract text is available yet for this article.
November 2016: Value in Health: the Journal of the International Society for Pharmacoeconomics and Outcomes Research
https://www.readbyqxmd.com/read/27971423/assessment-of-ctx-1-bone-biomarker-as-an-indicator-of-antiresorptive-therapy-efficacy-and-of-persistence-in-a-fracture-liaison-service
#17
M Bellemare, A Senay, J Delisle, A Banica, P Beaumont, M Giroux, A Jodoin, Y Laflamme, S Leduc, J MacThiong, M Malo, G Maurais, H Nguyen, S Parent, P Ranger, D Rouleau, Y Troyanov, S Perreault, J C Fernandes
No abstract text is available yet for this article.
November 2016: Value in Health: the Journal of the International Society for Pharmacoeconomics and Outcomes Research
https://www.readbyqxmd.com/read/27958648/penalized-partial-likelihood-inference-of-proportional-hazards-latent-trait-models
#18
Hyeon-Ah Kang
The Cox proportional hazards model with a latent trait variable (Ranger & Ortner, 2012, Br. J. Math. Stat. Psychol., 65, 334) has shown promise in accounting for the dependency of response times from the same examinee. The model allows flexibility in shapes of response time distributions using the non-parametric baseline hazard rate while allowing parametric inference about the latent variable via exponential regression. The flexibility of the model, however, comes at the price of a significant increase in the complexity of estimating the model...
December 13, 2016: British Journal of Mathematical and Statistical Psychology
https://www.readbyqxmd.com/read/27943587/development-and-implementation-of-a-site-specific-water-quality-limit-for-uranium-in-a-high-conservation-value-ecosystem
#19
Rick A van Dam, Alicia C Hogan, Andrew J Harford
Water quality guideline values (GVs) are a key tool for water quality assessments. Site-specific GVs, which incorporate data relevant to local conditions and organisms, provide a higher level of confidence that the GV will protect the aquatic ecosystem at a site compared to generic GVs. Site-specific GVs are, therefore, considered particularly suitable for sites of high sociopolitical or ecological importance. The present paper provides an example of the refinement of a site-specific GV for high ecological value aquatic ecosystems in Kakadu National Park, Northern Territory, Australia, to improve its site specificity and statistical robustness, thereby increasing confidence in its application...
December 12, 2016: Integrated Environmental Assessment and Management
https://www.readbyqxmd.com/read/27913228/pd-l1-immunohistochemistry-assays-for-lung-cancer-results-from-phase-1-of-the-blueprint-pd-l1-ihc-assay-comparison-project
#20
Fred R Hirsch, Abigail McElhinny, Dave Stanforth, James Ranger-Moore, Malinka Jansson, Karina Kulangara, William Richardson, Penny Towne, Debra Hanks, Bharathi Vennapusa, Amita Mistry, Rasika Kalamegham, Steve Averbuch, James Novotny, Eric Rubin, Kenneth Emancipator, Ian McCaffery, J Andrew Williams, Jill Walker, John Longshore, Ming S Tsao, Keith M Kerr
BACKGROUND: The "Blueprint PD-L1 IHC Assay Comparison Project" is an industrial-academic collaborative partnership to provide information on the analytical and clinical comparability of four PD-L1 IHC assays used in clinical trials. METHODS: 39 NSCLC tumors were stained with four PD-L1 IHC assays (22C3, 28-8, SP 142 and SP 263) as used in the clinical trials. Three experts in interpreting their respective assays independently evaluated the percentages of tumor and immune cells staining positive at any intensity...
November 29, 2016: Journal of Thoracic Oncology
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