Results 61 to 70 of about 2,471,157 (341)

Stronger instruments via integer programming in an observational study of late preterm birth outcomes [PDF]

, 2013
In an optimal nonbipartite match, a single population is divided into matched pairs to minimize a total distance within matched pairs. Nonbipartite matching has been used to strengthen instrumental variables in observational studies of treatment effects,
Goyal, Neera K., Lorch, Scott, Rosenbaum, Paul R., Small, Dylan S., Zubizarreta, José R.   +4 more
core   +3 more sources

A Comparative Study of Cerebral Oxygenation During Exercise in Hemodialysis and Peritoneal Dialysis Patients

Therapeutic Apheresis and Dialysis, EarlyView.
ABSTRACT Introduction Cognitive impairment and exercise intolerance are common in dialysis patients. Cerebral perfusion and oxygenation play a major role in both cognitive function and exercise execution; HD session per se aggravates cerebral ischemia in this population. This study aimed to compare cerebral oxygenation and perfusion at rest and in mild
Marieta P. Theodorakopoulou, Konstantina Dipla, Danai Faitatzidou, Fotini Iatridi, Areti Georgiou, Artemios Karagiannidis, Erasmia Sampani, Chrysostomos Dimitriadis, Aggelos Koutlas, Andreas Zafeiridis, Pantelis Sarafidis   +10 more
wiley   +1 more source

Predicting the Future Burden of Renal Replacement Therapy in Türkiye Using National Registry Data and Comparative Modeling Approaches

Therapeutic Apheresis and Dialysis, EarlyView.
ABSTRACT Background Chronic kidney disease is a growing public health problem worldwide, and the number of patients requiring renal replacement therapy is steadily increasing. Türkiye has experienced a similar rise in both the incidence and prevalence of renal replacement therapy over the past decades; however, national‐level projections of future ...
Arzu Akgül, Neriman Sıla Koç, Berrak Itır Aylı   +2 more
wiley   +1 more source

ONS: an ontology for a standardized description of interventions and observational studies in nutrition

Genes & Nutrition, 2018
Background The multidisciplinary nature of nutrition research is one of its main strengths. At the same time, however, it presents a major obstacle to integrate data analysis, especially for the terminological and semantic interpretations that specific ...
Francesco Vitali, Rosario Lombardo, Damariz Rivero, Fulvio Mattivi, Pietro Franceschi, Alessandra Bordoni, Alessia Trimigno, Francesco Capozzi, Giovanni Felici, Francesco Taglino, Franco Miglietta, Nathalie De Cock, Carl Lachat, Bernard De Baets, Guy De Tré, Mariona Pinart, Katharina Nimptsch, Tobias Pischon, Jildau Bouwman, Duccio Cavalieri, the ENPADASI consortium   +20 more
doaj   +1 more source

a prospective observational study [PDF]

, 2016
Introduction Emergency rooms (ERs) generally assign a preliminary diagnosis to patients, who are then hospitalised and may subsequently experience a change in their lead diagnosis (cDx).
Birrenbach, Tanja, Exadaktylos, Aristomenis, Hautz, Stefanie C., Hautz, Wolf E., Kämmer, Juliane E., Maier, Volker, Ricklin, Meret E., Sauter, Thomas C., Schauber, Stefan K., Schuler, Luca   +9 more
core   +1 more source

Revealing the structure of land plant photosystem II: the journey from negative‐stain EM to cryo‐EM

FEBS Letters, EarlyView.
Advances in cryo‐EM have revealed the detailed structure of Photosystem II, a key protein complex driving photosynthesis. This review traces the journey from early low‐resolution images to high‐resolution models, highlighting how these discoveries deepen our understanding of light harvesting and energy conversion in plants.
Roman Kouřil
wiley   +1 more source

Risk Assessment For Clinical Attachment Loss In Periodontitis Patients

International Dental Journal
Aim or purpose: The purpose of this study was to assess the risk factors of clinical attachment loss (CAL) in periodontitis patients in different dental regions.
Shuo Liu
doaj   +1 more source

Key Findings and Comparisons From Analogous Case-Cluster Studies for Dengue Virus Infection Conducted in Machala, Ecuador, and Kamphaeng Phet, Thailand

Frontiers in Public Health, 2020
Dengue viruses (DENV) pose a significant and increasing threat to human health across broad regions of the globe. Currently, prevention, control, and treatment strategies are limited. Promising interventions are on the horizon, including multiple vaccine
Kathryn B. Anderson, Kathryn B. Anderson, Kathryn B. Anderson, Kathryn B. Anderson, Anna M. Stewart-Ibarra, Anna M. Stewart-Ibarra, Darunee Buddhari, Efrain Felix Beltran Ayala, Rachel J. Sippy, Rachel J. Sippy, Sopon Iamsirithaworn, Sadie J. Ryan, Sadie J. Ryan, Stefan Fernandez, Richard G. Jarman, Stephen J. Thomas, Stephen J. Thomas, Stephen J. Thomas, Timothy P. Endy, Timothy P. Endy, Timothy P. Endy   +20 more
doaj   +1 more source

Smoking close to others and butt littering at bus stops: pilot observational study [PDF]

PeerJ, 2014
Background. Transportation settings such as bus stops and train station platforms are increasingly the target for new smokefree legislation. Relevant issues include secondhand smoke exposure, nuisance, litter, fire risks and the normalization of smoking.
Nick Wilson, Jane Oliver, George Thomson
doaj   +2 more sources

Are Large Trojan Asteroids Salty? An Observational, Theoretical, and Experimental Study

, 2012
With a total mass similar to the main asteroid belt, the Jovian Trojan asteroids are a major feature in the solar system. Based upon the thermal infrared spectra of the largest Trojans obtained with the Spitzer space telescope, Emery et al.
Glotch, Timothy, Lucey, Paul, Yang, Bin
core   +1 more source