Articles tagged with T Tests
Comprehensive exploration of living organisms, biological systems, and life processes across all scales from molecules to ecosystems. Encompasses cutting-edge research in biology, genetics, molecular biology, ecology, biochemistry, microbiology, botany, zoology, evolutionary biology, genomics, and biotechnology. Investigates cellular mechanisms, organism development, genetic inheritance, biodiversity conservation, metabolic processes, protein synthesis, DNA sequencing, CRISPR gene editing, stem cell research, and the fundamental principles governing all forms of life on Earth.
Comprehensive medical research, clinical studies, and healthcare sciences focused on disease prevention, diagnosis, and treatment. Encompasses clinical medicine, public health, pharmacology, epidemiology, medical specialties, disease mechanisms, therapeutic interventions, healthcare innovation, precision medicine, telemedicine, medical devices, drug development, clinical trials, patient care, mental health, nutrition science, health policy, and the application of medical science to improve human health, wellbeing, and quality of life across diverse populations.
Comprehensive investigation of human society, behavior, relationships, and social structures through systematic research and analysis. Encompasses psychology, sociology, anthropology, economics, political science, linguistics, education, demography, communications, and social research methodologies. Examines human cognition, social interactions, cultural phenomena, economic systems, political institutions, language and communication, educational processes, population dynamics, and the complex social, cultural, economic, and political forces shaping human societies, communities, and civilizations throughout history and across the contemporary world.
Fundamental study of the non-living natural world, matter, energy, and physical phenomena governing the universe. Encompasses physics, chemistry, earth sciences, atmospheric sciences, oceanography, materials science, and the investigation of physical laws, chemical reactions, geological processes, climate systems, and planetary dynamics. Explores everything from subatomic particles and quantum mechanics to planetary systems and cosmic phenomena, including energy transformations, molecular interactions, elemental properties, weather patterns, tectonic activity, and the fundamental forces and principles underlying the physical nature of reality.
Practical application of scientific knowledge and engineering principles to solve real-world problems and develop innovative technologies. Encompasses all engineering disciplines, technology development, computer science, artificial intelligence, environmental sciences, agriculture, materials applications, energy systems, and industrial innovation. Bridges theoretical research with tangible solutions for infrastructure, manufacturing, computing, communications, transportation, construction, sustainable development, and emerging technologies that advance human capabilities, improve quality of life, and address societal challenges through scientific innovation and technological progress.
Study of the practice, culture, infrastructure, and social dimensions of science itself. Addresses how science is conducted, organized, communicated, and integrated into society. Encompasses research funding mechanisms, scientific publishing systems, peer review processes, academic ethics, science policy, research institutions, scientific collaboration networks, science education, career development, research programs, scientific methods, science communication, and the sociology of scientific discovery. Examines the human, institutional, and cultural aspects of scientific enterprise, knowledge production, and the translation of research into societal benefit.
Comprehensive study of the universe beyond Earth, encompassing celestial objects, cosmic phenomena, and space exploration. Includes astronomy, astrophysics, planetary science, cosmology, space physics, astrobiology, and space technology. Investigates stars, galaxies, planets, moons, asteroids, comets, black holes, nebulae, exoplanets, dark matter, dark energy, cosmic microwave background, stellar evolution, planetary formation, space weather, solar system dynamics, the search for extraterrestrial life, and humanity's efforts to explore, understand, and unlock the mysteries of the cosmos through observation, theory, and space missions.
Comprehensive examination of tools, techniques, methodologies, and approaches used across scientific disciplines to conduct research, collect data, and analyze results. Encompasses experimental procedures, analytical methods, measurement techniques, instrumentation, imaging technologies, spectroscopic methods, laboratory protocols, observational studies, statistical analysis, computational methods, data visualization, quality control, and methodological innovations. Addresses the practical techniques and theoretical frameworks enabling scientists to investigate phenomena, test hypotheses, gather evidence, ensure reproducibility, and generate reliable knowledge through systematic, rigorous investigation across all areas of scientific inquiry.
Study of abstract structures, patterns, quantities, relationships, and logical reasoning through pure and applied mathematical disciplines. Encompasses algebra, calculus, geometry, topology, number theory, analysis, discrete mathematics, mathematical logic, set theory, probability, statistics, and computational mathematics. Investigates mathematical structures, theorems, proofs, algorithms, functions, equations, and the rigorous logical frameworks underlying quantitative reasoning. Provides the foundational language and tools for all scientific fields, enabling precise description of natural phenomena, modeling of complex systems, and the development of technologies across physics, engineering, computer science, economics, and all quantitative sciences.
A pioneering study demonstrated that an AI-powered lung ultrasound surpasses human experts by 9% in diagnosing pulmonary tuberculosis. The technology leverages deep learning algorithms to interpret lung ultrasound images in real-time, making it more accessible for TB triage, especially for minimally trained healthcare workers.
Researchers developed a novel blood test that accurately indicates spinal cord injury (SCI) severity and predicts potential recovery. The test identifies multiple biomarkers, including DNA and proteins, to rapidly diagnose SCI and project long-term neurological functional recovery.
Scientists have created a living cell therapy that can navigate to specific organs using a
Researchers developed a screening technique to filter out low-quality data in wearable sensors, improving the performance of smartwatches for noninvasive blood glucose estimation. The approach enhances accuracy by discarding data with high phase errors and approximating missing values.
Researchers have designed a novel Co-STAR receptor that combines genetic components of four types of immune cells to recognize and fight cancer cells. In laboratory studies, the Co-STAR receptor induced a sustained anti-tumor response against human cancer cells, leading to long-lasting remissions in mouse models.
A recent study published in JAMA found that transgender women on hormone therapy have drastically lower PSA levels, which may lead to delayed diagnosis and treatment of prostate cancer. The researchers analyzed Veterans Health Administration records and recommended caution when interpreting PSA values in transgender women.
Researchers found that mono-canalicular Lacrijet stent insertion is a safe and effective treatment for congenital nasolacrimal duct obstruction in children, with success rates unaffected by age or previous failed probing. The study suggests early assessments and stenting as an option for pediatric epiphora management.
This study found that combining PBL with SBS enhanced tactical skills and decision-making among university football students. The experimental group outperformed the traditional teaching method in all areas, including decision-making, skills, and student engagement.
A study found that low doses of filtered kretek cigarette smoke altered rat lung histometric measurements, increasing the size of respiratory bronchioles. P53 gene overexpression was also observed in response to exposure. The findings suggest potential health risks from even low levels of kretek cigarette smoke.
A study of 370 patients undergoing elective surgery found that those with higher levels of awareness about anesthesia had better understanding of general and local anesthesia. Patients who underwent surgeries related to eyes, nose, and throat scored higher on the knowledge test due to limited sources of information.
A new urine test, MyProstateScore 2.0 (MPS2), measures 18 genes associated with prostate cancer and offers higher diagnostic accuracy than existing tests. The test reduces unnecessary prostate biopsies by up to 51% in men with a history of previous negative biopsy.
MD Anderson researchers presented studies on combination therapies for AML and lung cancer, tumor microbiomes in immunity, and improved HPV screening. Genetic markers predict extended survival with KRAS inhibitors and may identify patients who benefit from novel combinations.
Researchers developed a new recombinant flu vaccine called Hexaplex, which provided superior protection against H1N1 and H3N2 viruses in animal models. The vaccine's combination of six proteins from different groups resulted in strong antibody production and T-cell activation, offering broader immunity.
Researchers have engineered T cells with a mutation found in malignant lymphoma cells, making them more than 100 times potent at killing cancer cells. The new approach shows promise against solid tumors and could provide long-term immunity against cancer.
Scientists at Northwestern University and UCSF have developed a new technique to enhance the potency of human T cells against cancer. By studying mutations in malignant T cells, they were able to create T cells that can kill tumors derived from skin, lung, and stomach cancers in mice.
A new study published in the Annals of Epidemiology found that bisexual individuals reported higher levels of police contact and law enforcement harassment in Canada. The study's authors call for greater police training to improve interactions with sexual minority persons and intervention efforts to support them after adverse experiences.
The American College of Physicians has published a new clinical practice guideline for the prevention, diagnosis, evaluation, and treatment of hepatitis C virus in chronic kidney disease. The guideline includes recommendations for expanding treatment with sofosbuvir-based regimens to patients with CKD glomerular filtration rate categor...
Researchers at Uppsala University have developed an instrument to measure 21 biomarkers for cardiovascular disease, improving prediction and treatment. The CVD-21 panel reflects functional disturbances influencing cardiovascular development and treatment outcomes.
Researchers identified specific blood biomarkers that can accurately identify patients with long COVID, revealing distinct immune and hormone function differences. The study also found abnormal T cell activity, reactivation of latent viruses, and reduced cortisol levels in patients with long COVID.
A recent policy analysis highlights gaps in Canadian regulation of muscle-building dietary supplements, including whey protein and creatine monohydrate. The lack of consistent manufacturing site and product safety testing poses significant health risks to young people.
Researchers found that patients with HPV-positive cancers develop recurrent disease significantly later than those that were HPV-negative, and also are more likely to spread to the lungs. A new, highly sensitive blood test has been developed to detect cancer earlier, using a framework for combining routine blood testing and imaging.
A new study found that a simple blood test can predict the risk of progressive heart and kidney disease in people with Type 2 diabetes. The test measures levels of four biomarkers, which fell after treatment with canagliflozin, a type 2 diabetes medicine.
A small pilot study found associations between specific microbe species and infants' performance in tests of social attention and rhythmic processing. The researchers observed higher levels of Actinobacteria and Bifidobacterium microbes in infants with better cognitive abilities.
A study led by UCSF researchers discovered that people who remain asymptomatic after contracting COVID-19 often carry a specific gene variation that helps their immune system recognize the virus. This mutation, HLA-B*15:01, is common among asymptomatic individuals and can also help those with symptoms to recover more quickly.
Researchers have developed an automated calling algorithm for determining B and T cell clonality from NGS data with greater sensitivity than previous models. The new model increases the assay's sensitivity in detecting clonality, allowing for more accurate diagnosis and monitoring of lymphoproliferative disorders.
For adrenal lesions evaluated by single-phase dual-energy CT, fat fraction had significantly higher sensitivity than virtual noncontrast attenuation at both clinically optimal threshold and traditional ≤10 HU threshold. Fat fraction-derived metrics can help definitively diagnose incidental adrenal lesions as adenomas.
A commercial T cell test found that age and time since infection are significant factors related to the magnitude of immune responses to COVID-19. In vaccinated individuals, only increasing age was associated with poor T cell responses, while time from vaccination or type of vaccine had no effect.
A prospective study found that MRI outperformed conventional tests and FDG PET/CT for various staging endpoints in SCLC. Whole-body MRI and FDG PET/MRI were more accurate than FDG PET/CT for assessing local invasion extent.
A study published in the American Journal of Transplantation found that Covid-19 vaccines stimulate different immune responses in organ transplant patients. While antibody tests alone are insufficient, combining vaccines with T cell analyses provides better protection.
A recent study reveals that many Latinx immigrants have concerns about COVID-19 testing, treatment, and contact tracing, affecting their willingness to engage with healthcare services. The findings highlight the need for culturally sensitive and accessible healthcare solutions to address these concerns.
A recent study found that using a rapid, high-sensitivity troponin T testing protocol did not improve patient outcomes after one year. In fact, patients who received this protocol were more likely to experience a heart attack or death compared to those in the standard-care group.
A new blood test has been developed to diagnose coeliac disease, providing a rapid and accurate result within 24 hours. The test measures T cell response to gluten after three days of consumption, showing high predictive value for coeliac disease diagnosis.
Data collected from voluntary HIV counselling and testing clinics in Africa are biased and unreliable, making them unsuitable for HIV surveillance. A better approach would be to use community-based surveys like Demographic and Health Surveys that inquire about testing history and sexual behavior.
A new national study in Canada aims to test different types and combinations of anti-depressants and fluorescent light therapy for patients with seasonal depression. Researchers hope to better understand this debilitating condition that affects over 600,000 Canadians each year, causing significant dysfunction and impairment.
A study found that physician encouragement and accurate information about colorectal cancer risks increased women's willingness to undergo screening. Women who were urged by their physicians to be screened had a substantially higher rate of recent screening, with 64% participating in the previous two years.
Researchers developed a reliable blood test to diagnose diabetes in children at an early stage, allowing for prediction of the condition with a reliability of 50%. The test measures concentration of islet antibodies in a child's blood and combines it with DNA testing for hereditary susceptibility.
A new test using vinegar and visual inspection detected over 75% of potential cancers among African study participants, identifying almost twice as many cases as Pap smears. The inexpensive and easy test could provide a reliable screening option for women in developing countries where cervical cancer is prevalent.
Researchers at Ohio University develop a new way to measure reading and listening comprehension in brain injury victims by tracking their eye movements. The technique, which shows promise in spotting hidden understanding, is more effective than traditional methods.
A study of 13,204 female military recruits found a 9.2% overall prevalence of chlamydial infection, with peak rates among 17-year-olds. Screening programs based on age could identify 95.3% of infected women using DNA amplification tests like LCR assays.
Scientists have sequenced the complete genome of Treponema pallidum, the syphilis bacterium, providing critical information for developing diagnostic tests, treatments, and vaccines. The genetic blueprint reveals targets for new antibiotics and surface proteins that could stimulate an immune response in experimental vaccines.
A new test measuring free PSA can accurately identify men at risk of prostate cancer, allowing for targeted biopsies and reducing unnecessary procedures. The test aims to cut the cost of prostate screening dramatically while sparing men from potential complications like infection and bleeding.
A new blood test that measures troponin T, a protein released by dying heart muscle during heart attacks, can identify high-risk patients and predict long-term risk. The test has been shown to detect cardiac events or death within 30 days with high accuracy.
Oregon Health Sciences University professor James T. Rosenbaum suggests two solutions to improve scientific expert testimony reliability: appointing experts or empaneling a group to advise the court. Using silicone breast implant litigation as an example, he emphasizes the importance of neutral expert panels and conflict disclosure.
A new blood test called troponin T has been shown to be a powerful indicator of how injured a heart is, especially in patients with no clear signs of trouble. The study found that patients with high troponin T levels are more likely to die within a month, and the test may save thousands of lives annually.