Results 41 to 50 of about 6,812,320 (386)
Bias in case‐crossover studies of medications due to persistent use: A simulation study [PDF]
Pharmacoepidemiology and Drug Safety, 2020 AbstractPurposeThe case‐crossover design is increasingly used to evaluate the effects of chronic medications; however, as traditionally implemented in pharmacoepidemiology, with referent period preceding the outcome, it may lead to bias in the presence of persistent exposures.
Katsiaryna Bykov +5 more
openaire +2 more sources
Environmental Health, 2023 Background Satellite-based PM2.5 predictions are being used to advance exposure science and air-pollution epidemiology in developed countries; including emerging evidence about the impacts of PM2.5 on acute health outcomes beyond the cardiovascular and ...
Iván Gutiérrez-Avila +6 more
doaj +1 more source
Environment International, 2022 Background: The acute effects of exposure to ambient particulate matter with an aerodynamic diameter ≤1 μm (PM1) on cardiovascular disease (CVD) mortality remain unclear.
Ruijun Xu +9 more
doaj +1 more source
TH Open, 2023 Background Surgery is a major transient risk factor for venous thromboembolism (VTE). However, the impact of major surgery as a VTE trigger has been scarcely investigated using a case-crossover design.
Dana Meknas +3 more
doaj +1 more source
Case-crossover studies of occupational trauma: methodological caveats [PDF]
Injury Prevention, 2001 Objectives—The case-crossover study design was developed to examine triggers for the onset of myocardial infarction. This paper seeks to examine selected methodological issues when applying the case-crossover method to the study of traumatic injuries in the work environment.Methods—Researchers known to be working on occupational case-crossover studies ...
G S, Sorock +4 more
openaire +2 more sources
Journal of Epidemiology, 2016 Background: Epidemiology studies have shown a consistently increased risk of acute myocardial infarction (AMI) correlated with particulate matter (PM) exposure. However, little is known about the association with specific AMI subtypes. In this work, we
Qian Zhang
doaj +1 more source
Global Persistence Exponent in Critical Dynamics: Finite Size induced Crossover [PDF]
, 2007 We extend the definition of a global order parameter to the case of a critical system confined between two infinite parallel plates separated by a finite distance $L$.
D. Chakraborty +3 more
core +2 more sources
Sample size estimation for case‐crossover studies
Statistics in Medicine, 2018 Case‐crossover study designs are observational studies used to assess postmarket safety of medical products (eg, vaccines or drugs). As a case‐crossover study is self‐controlled, its advantages include better control for confounding because the design controls for any time‐invariant measured and unmeasured confounding and potentially greater ...
Sai Dharmarajan +2 more
openaire +4 more sources
Frontiers in Pharmacology, 2019 Background and Objective: It has been suggested to avoid cilostazol, the first-line therapy for peripheral arterial disease, in patients with congestive heart failure (HF). The objective of this study was to evaluate the risk of hospitalization for heart
Cho-Kai Wu +7 more
doaj +1 more source
Weather conditions associated with subarachnoid hemorrhage: a multicenter case-crossover study
BMC Neurology, 2021 Background Most spontaneous subarachnoid hemorrhages (SAH) occur unexpectedly and independently of classical risk factors. In the light of increasing climate variability and change, we investigated weather and rapid weather changes as possible short-term
Michael Kockler +8 more
semanticscholar +1 more source