Results 71 to 80 of about 3,959,577 (361)

Cohort profile: The Kilombero and Ulanga Antiretroviral Cohort (KIULARCO)

Swiss Medical Weekly, 2017
BACKGROUND The Kilombero and Ulanga Antiretroviral Cohort (KIULARCO) is a single-site, open and ongoing prospective cohort of people living with human immunodeficiency virus (PLWHIV) established in 2005 at the Chronic Diseases Clinic of ...
Emilio Letang, Aneth Vedastus Kalinjuma, Tracy R Glass, Anna Gamell, Herry Mapesi, George Sikalengo, Lameck Bonaventure Luwanda, Dorcas Mnzava, Alex J Ntamatungiro, Regina Ndaki, Gideon Francis, Fiona Vanobberghen, Hansjakob Furrer, Thomas Klimkait, Ingrid Felger, Marcel Tanner, Christoph Hatz, Maja Weisser, Manuel Battegay, on behalf of the KIULARCO Study Group   +19 more
doaj   +1 more source

Relative validity of a food frequency questionnaire for adolescents from a capital in the Northeastern region of Brazil [PDF]

Brazilian Journal of Medical and Biological Research, 2020
The present study was conducted to evaluate the validity of the Food Frequency Questionnaire (FFQ) used in the RPS Birth Cohort Consortium (Ribeirão Preto, Pelotas, and São Luís) to assess dietary intake of adolescents from São Luís, Maranhão.
E.G. Bogea, A.K.T.C. França, M.L.B.M. Bragança, J.S. Vaz, M.C. Assunção, M.A. Barbieri, H. Bettiol, A.A.M. Silva   +7 more
doaj   +1 more source

KRAS and GNAS mutations in cell‐free DNA and in circulating epithelial cells in patients with intraductal papillary mucinous neoplasms—an observational pilot study

Molecular Oncology, EarlyView.
This study demonstrates that KRAS and GNAS mutations are more prevalent in patients with resected intraductal papillary mucinous neoplasms (IPMN) compared to those under clinical surveillance. GNAS mutations significantly differ between the two patient cohorts, indicating that their absence may serve as a potential biomarker to support conservative ...
Christine Nitschke, Marie Tölle, Philipp Walter, Kira Meißner, Mara Goetz, Jolanthe Kropidlowski, Andreas W. Berger, Jakob R. Izbicki, Felix Nickel, Thilo Hackert, Klaus Pantel, Harriet Wikman, Faik G. Uzunoglu   +12 more
wiley   +1 more source

Comparative analysis of gut microbiota associated with body mass index in a large Korean cohort

BMC Microbiology, 2017
Background Gut microbiota plays an important role in the harvesting, storage, and expenditure of energy obtained from one’s diet. Our cross-sectional study aimed to identify differences in gut microbiota according to body mass index (BMI) in a Korean ...
Yeojun Yun, Han-Na Kim, Song E. Kim, Seong Gu Heo, Yoosoo Chang, Seungho Ryu, Hocheol Shin, Hyung-Lae Kim   +7 more
doaj   +1 more source

Toward Cohort Intelligence: A Universal Cohort Representation Learning Framework for Electronic Health Record Analysis [PDF]

arXiv, 2023
Electronic Health Records (EHR) are generated from clinical routine care recording valuable information of broad patient populations, which provide plentiful opportunities for improving patient management and intervention strategies in clinical practice.
arxiv  

Cohort Profile: Shahroud Eye Cohort Study [PDF]

International Journal of Epidemiology, 2012
The Shahroud Eye Cohort Study was set up to determine the prevalence and incidence of visual impairment and major eye conditions in the 40-64-year-old population of Shahroud as a Middle Eastern population. The first phase of the study was conducted in 2009-10.
Hassan Koohian, Mohammad Reza Khademi, Mehdi Mirzaii, Ebrahim Jafarzadehpur, Mohammad Shariati, Ahmad Kheirkhah, Mehdi Khabazkhoob, Kamran Hodjatjalali, Sarvenaz Malihi, Kamran Yazdani, Reza Chaman, Akbar Fotouhi, Hassan Hashemi, Mohammad Hassan Emamian   +13 more
openaire   +3 more sources

On‐treatment dynamics of circulating extracellular vesicles in the first‐line setting of patients with advanced non‐small cell lung cancer: the LEXOVE prospective study

Molecular Oncology, EarlyView.
The LEXOVE prospective study evaluated plasma cell‐free extracellular vesicle (cfEV) dynamics using Bradford assay and dynamic light scattering in metastatic non‐small cell lung cancer patients undergoing first‐line treatments, correlating a ∆cfEV < 20% with improved median progression‐free survival in responders versus non‐responders.
Valerio Gristina, Viviana Bazan, Nadia Barraco, Simona Taverna, Mauro Manno, Samuele Raccosta, Anna Paola Carreca, Marco Bono, Tancredi Didier Bazan Russo, Francesco Pepe, Pasquale Pisapia, Lorena Incorvaia, Giuseppe Badalamenti, Giancarlo Troncone, Umberto Malapelle, Daniele Santini, Antonio Russo, Antonio Galvano   +17 more
wiley   +1 more source

Low-level alcohol consumption and cancer mortality

Scientific Reports, 2021
The effect of light-to-moderate alcohol consumption on cancer risk remains controversial. We examined the association between low-level alcohol consumption and cancer mortality. A cohort study included 331,984 Korean adults free of cancer at baseline who
Hyeonyoung Ko, Yoosoo Chang, Han-Na Kim, Jae-Heon Kang, Hocheol Shin, Eunju Sung, Seungho Ryu   +6 more
doaj   +1 more source

Cohort studies

Kerala Journal of Psychiatry, 2022
Cohort studies are observational analytical studies and are placed just below randomized controlled trials in the hierarchy of scientific evidence. They are also called longitudinal studies and can be prospective, retrospective or ambidirectional.
Pankajakshan Vijayanthi Indu, Karunakaran Vidhukumar   +1 more
doaj   +1 more source

Cohorting to isolate asymptomatic spreaders: An agent-based simulation study on the Mumbai Suburban Railway [PDF]

arXiv, 2020
The Mumbai Suburban Railways, \emph{locals}, are a key transit infrastructure of the city and is crucial for resuming normal economic activity. To reduce disease transmission, policymakers can enforce reduced crowding and mandate wearing of masks. \emph{Cohorting} -- forming groups of travelers that always travel together, is an additional policy to ...
arxiv