Results 31 to 40 of about 3,959,577 (361)

Posterior cricoid region fluoroscopic findings: the posterior cricoid plication. [PDF]

open access: yes, 2010
The region posterior to the cricoid cartilage is challenging to assess fluoroscopically. The purpose of this investigation is to critically evaluate the posterior cricoid (PC) region on fluoroscopy and describe patterns of common findings.
AR Gordon   +14 more
core   +3 more sources

Relationship of the Blood Pressure Categories, as Defined by the ACC/AHA 2017 Blood Pressure Guidelines, and the Risk of  Development of Cardiovascular Disease in Low‐Risk Young  Adults: Insights From a Retrospective Cohort of Young Adults

open access: yesJournal of the American Heart Association: Cardiovascular and Cerebrovascular Disease, 2019
Background There are limited outcome studies of hypertension among young adults, especially using the new blood pressure (BP) categories from the American College of Cardiology and the American Heart Association.
Seolhye Kim   +11 more
doaj   +1 more source

A three-year comparative study of dominant misconceptions among first-year physics students at a South African university [PDF]

open access: yesPhys. Educ. 59 015036 (2024), 2023
This article discusses a three-year study (2020 - 2022) of dominant misconceptions (DMs) for a large cohort of first-year physics course students at the University of Johannesburg (UJ), South Africa. Our study considered pre-test scores on the Force Concept Inventory using a graphical method, where we found statistical differences between the mean DM ...
arxiv   +1 more source

Rilpivirine use in the Swiss HIV cohort study: a prospective cohort study [PDF]

open access: yesBMC Infectious Diseases, 2017
Rilpivirine is safe and effective in HIV-naïve patients with low baseline HIV-RNA or in switch strategy. It offers the advantages of few drug-drug interactions and a favourable toxicity profile. We aimed to determine the reasons for prescribing the rilpivirine (RPV)/tenofovir disoproxil (TDF)/emtricitabine (FTC) co-formulation within the Swiss HIV ...
Sculier, Delphine   +9 more
openaire   +8 more sources

Association of glycated hemoglobin at an early stage of pregnancy with the risk of gestational diabetes mellitus among non‐diabetic women in Japan: The Japan Environment and Children’s Study

open access: yesJournal of Diabetes Investigation, 2022
Aims/Introduction Gestational diabetes mellitus (GDM) is one of the most common complications of pregnancy and is associated with adverse pregnancy outcomes.
Tetsuo Sekine   +14 more
doaj   +1 more source

Oral contraception and eye disease: findings in two large cohort studies [PDF]

open access: yes, 1997
AIM : To investigate the relation between oral contraceptive use and certain eye diseases. \ud \ud METHODS : Abstraction of the relevant data from the two large British cohort studies of the effects of oral contraception, the Royal College of General ...
Chappell, D.   +5 more
core   +2 more sources

Improving estimation efficiency of case-cohort study with interval-censored failure time data [PDF]

open access: yesarXiv, 2023
The case-cohort design is a commonly used cost-effective sampling strategy for large cohort studies, where some covariates are expensive to measure or obtain. In this paper, we consider regression analysis under a case-cohort study with interval-censored failure time data, where the failure time is only known to fall within an interval instead of being
arxiv  

Adaptive Cohort Size Determination Method for Bayesian Optimal Interval Phase I/II Design to Shorten Clinical Trial Duration [PDF]

open access: yesarXiv, 2023
Recently, the strategy for dose optimization in oncology has shifted to conduct Phase 2 randomized controlled trials with multiple doses. Optimal biologic dose selection from Phase 1 trial data to determine candidate doses for Phase 2 trials has been gaining attention.
arxiv  

Crude incidence in two-phase designs in the presence of competing risks. [PDF]

open access: yes, 2016
BackgroundIn many studies, some information might not be available for the whole cohort, some covariates, or even the outcome, might be ascertained in selected subsamples. These studies are part of a broad category termed two-phase studies.
A Demnati   +45 more
core   +3 more sources

BMI and all cause mortality: systematic review and non-linear dose-response meta-analysis of 230 cohort studies with 3.74 million deaths among 30.3 million participants [PDF]

open access: yes, 2016
 To conduct a systematic review and meta-analysis of cohort studies of body mass index (BMI) and the risk of all cause mortality, and to clarify the shape and the nadir of the dose-response curve, and the influence on the results of confounding from ...
Aune, D   +7 more
core   +2 more sources

Home - About - Disclaimer - Privacy