Results 11 to 20 of about 1,004,406 (261)
Study Design: Observational Studies
Indian Pediatrics, 2022 Observational study designs are those where the investigator/researcher just observes and does not carry out any intervention(s)/actions to alter the outcome. The three most common types of observational studies are cross-sectional, case control and cohort (or longitudinal). In cross-sectional studies, both the exposure/risk factor(s) and the outcome(s)
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Impact of drug therapy on brachioradial pruritus [PDF]
Anais Brasileiros de Dermatologia, 2017 : Few studies have described therapeutic options in brachioradial pruritus. We describe a cross-sectional study of brachioradial pruritus patients treated in an outpatient unit.
Patrick Alexander Wachholz +3 more
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Epidemiology, Biostatistics and Public Health, 2022 The "Observational Studies" working group of the Italian Association of Medical Statistics and Clinical Epidemiology (SISMEC) has undertaken to study the impact of recent healthcare sector regulations on the legal and organisational aspects of managing ...
Antonietta Stendardo +5 more
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Frontiers in Medicine, 2023 PurposeThe helmet is a novel interface for delivering non-invasive ventilation (NIV). We conducted a case series to characterize introduction of the helmet interface in both COVID and non-COVID patients at two-centres.MethodsWe enrolled all patients with
Dipayan Chaudhuri +11 more
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Interpretation of observational studies
American Journal of Orthodontics and Dentofacial Orthopedics, 2014 Ideally, the objective of a clinical trial is to determine with a high degree of certainty whether the intervention of interest is truly effective. In high-quality randomized trials, if the results indicate that the intervention is different compared with the comparator, the results are likely to be due to real treatment differences.
Polychronopoulou, A., Pandis, N.
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Seven challenges for model-driven data collection in experimental and observational studies
Epidemics, 2015 Infectious disease models are both concise statements of hypotheses and powerful techniques for creating tools from hypotheses and theories. As such, they have tremendous potential for guiding data collection in experimental and observational studies ...
J. Lessler +4 more
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Frontiers in Nutrition, 2023 BackgroundAccumulating epidemiological evidence has shown the favorable associations between healthy dietary patterns and risk of glioma, although the results remain inconclusive.ObjectiveWe therefore carried out a systematic review and meta-analysis to ...
Long Shu, Dan Yu, Fubi Jin
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Proceedings, 2023 Background and objectives: Pooling datasets for nutritional epidemiological purposes are becoming more common because of their several advantages. Here, we described our step-by-step dietary data harmonization process applied within the PROMED-COG pooled
Federica Prinelli +6 more
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Vaccines, 2022 Observational studies are needed to demonstrate real-world vaccine effectiveness (VE) against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) outcomes.
Sarah M. Hatcher +10 more
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Frontiers in Pharmacology, 2022 Background: More and more studies are focusing on the adverse effects and damage caused by PPI abuse, we carried out a systematic review and meta-analysis for assessing whether the proton pump inhibitor (PPI) leads to hepato-biliary-pancreatic cancer ...
Wence Zhou +7 more
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