Results 41 to 50 of about 767,994 (169)

Salivary/Serum Progesterone Ratio Differs Between Menstrual Cycle Phases but Not Between Populations: Implications for Health, Reproductive, and Behavioral Research

American Journal of Human Biology, Volume 37, Issue 7, July 2025.
Scatterplot of paired measurements of PFree‐SAL (y‐axis, log scale) versus PTotal‐VEN (x‐axis, log scale) for each of our 36 Bolivian study participants. Dotted diagonals represent lines of constant uptake fraction (UF = PFree‐SAL/PTotal‐VEN) from 0.2% to 100%. The solid red line represents the linear regression model for luteal phase pairs (red dots),
Virginia J. Vitzthum, Diva Bellido, Lourdes Echalar, Esperanza Caceres, Jonathan Thornburg   +4 more
wiley   +1 more source

Registros administrativos de policía para la consolidación de cifras de criminalidad en Colombia

Revista Criminalidad, 2015
La Policía Nacional de Colombia desarrolla la operación estadística "Conductas y servicios de policía", para tener insumos que permitan la formulación de políticas públicas en seguridad y seguimiento permanente del impacto del servicio de policía; esta ...
Julián Ricardo Buitrago Cubides, Pedro Aleksander Bernal Urrutia, Jair David Rodríguez Ortega   +2 more
doaj  

Sociodemographic characteristics and predictive factors of attrition: comparison in two final waves of a birth cohort study in Ecuador

Frontiers in Reproductive Health
BackgroundBirth cohort studies are essential to investigate maternal and child health outcomes, yet they face persistent methodological challenges.
Nataly Cadena, Alexis J. Handal, Fabián Muñoz, Fadya Orozco   +3 more
doaj   +1 more source

Prácticas de análisis estadístico de datos geoquímicos con el programa R [PDF]

, 2013
Son muchas las materias de carácter geológico como geoquímica, prospección geoquímica, petrología, recursos minerales, mineralogía ambiental, etc., donde el análisis estadístico de datos geoquímicos es una herramienta básica y necesaria. La toma de datos
Benavente, David, Leal Palazón, Marina, Martínez Peral, Álvaro, Nueda, María José   +3 more
core   +1 more source

Mood and emotion assessment for risk reduction of pandemic spread through passenger air transport: a DSS applied to the COVID‐19 in the case of Spain

International Transactions in Operational Research, Volume 32, Issue 4, Page 1918-1949, July 2025.
Abstract This paper presents a decision support system (DSS) for sentiment analysis of Spanish texts based on lexicons. The information provided by this DSS, named Spanish Sentiment Analysis‐DSS (SSA‐DSS), is employed to assess the social impacts considered in an external software module (RRPS‐PAT) centered on risk reduction of pandemic spread through ...
J. Aguarón, A. Altuzarra, R. Aznar, M.T. Escobar, A. Jiménez‐Martín, A. Mateos, A. Moreno‐Díaz, J.M. Moreno‐Jiménez, C. Moreno‐Loscertales, V. Muerza, J. Navarro, A. Sarango, A. Turón, L.G. Vargas   +13 more
wiley   +1 more source

Análisis estadístico

Cirugía del Uruguay, 1972
Se analizan 112 casos de fístulas biliodigestivas tratadas en el Hospital de Clínicas de la Facultad de Medicina de Montevideo, en un período de 19 años ( 1953 a 1972). Se incluyen en la estadística las fís-tulas biliobiliares.
Ruben Portos
doaj  

External Validation of Cardiovascular Risk Scores in the Southern Cone of Latin America: Which Predicts Better? [PDF]

, 2018
Introducción: La estimación inexacta del riesgo cardiovascular poblacional puede llevar a un manejo inadecuado de las intervenciones médicas preventivas, como, por ejemplo, el uso de estatinas.
Danaei, Goodarz, Gulayin, Pablo Elías, Gutierrez, Laura, Irazola, Vilma, Lanas, Fernando, Poggio, Rosana, Ponzo, Jaqueline, Rubinstein, Adolfo Luis   +7 more
core  

Healthcare Professionals' Experiences From the COVID‐19 Vaccination Program for the Homebound Population in Greece: A Cross‐Sectional Mixed‐Methods National Study

World Medical &Health Policy, Volume 17, Issue 2, Page 231-247, June 2025.
ABSTRACT During the pandemic, mobile vaccination units administered COVID‐19 shots to homebound populations. This study explores the perspectives of public healthcare providers involved in Greece's COVID‐19 home vaccination program, aiming to identify challenges and inform improvements in delivering healthcare services at home.
Dimitra Iosifina Papageorgiou, Nikolaos Vlachopoulos, Magda Gavana, Zoi Tahtalidou, Marilena Gialama, Ioanna Avakian, Panagiota Ntenta, Elias Theodoropoulos, Martha Andreou, Paschalis Evangelidis, Nikolaos Evangelidis, Despoina Nteli, Maria Nteli, Ioannis Vitoris, Eleni Avramidou, Theofilos Nastas, Aspasia Bapka, Aikaterini Zgouridou, Stamatia Kokkali, Stella Ploukou, Despoina Symintiridou, Aristofanis Paganas, Doukas Zeimbekis, Michael Dandoulakis, Anastasios Giakoumis, Anna Bettina Haidich, Emmanouil Smyrnakis   +26 more
wiley   +1 more source

Análisis de punto de cambio dentro del control estadístico de procesos [PDF]

, 2013
El Análisis de Punto de Cambio es una parte del Control Estadístico de Calidad que aparece por primera vez alrededor de 1954 y en las últimas tres décadas ha sido ampliamente estudiado por investigadores e ingenieros de diferentes áreas del conocimiento.
Chávez Valdez, María Aurora, Cordero Franco, Álvaro Eduardo, Pérez Blanco, Ángel Salvador, Tercero Gómez, Víctor   +3 more
core  

Sequential testing of complementary hypotheses about population density

Methods in Ecology and Evolution, Volume 16, Issue 6, Page 1228-1238, June 2025.
Abstract Making inferences about population density is paramount in ecology and pest management for decision‐makers who often seek to determine how a population compares to a pre‐established static or dynamic threshold through sampling or monitoring. Sequential data analysis is appealing for monitoring and decision making as it is more cost‐efficient ...
Diego F. Rincon, Izzy McCabe, David W. Crowder   +2 more
wiley   +1 more source