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Tesis Materias > Ingeniería Universidad Internacional Iberoamericana México > Investigación > Tesis Doctorales Cerrado Francés Le Cameroun, situé en Afrique centrale, joue un rôle de premier plan en termes d'échanges, avec environ la moitié du PIB de la zone de la Commission économique et monétaire de l'Afrique centrale. Pourtant, la qualité des dépenses publiques au Cameroun serait l'un des griefs qui pèsent sur sa croissance économique. Cette sous-performance est généralement liée à la gestion de projets, levier essentiel pour le développement du pays. La construction d'infrastructures est l'un des enjeux de la politique de développement du Cameroun. Les acteurs de mise en œuvre des projets ont une faible maîtrise de la préparation des projets d’investissement public. Cette carence des acteurs dans la connaissance et la pratique de la maturation a un impact énorme dans la consommation des crédits et l'exécution des projets qui entraîne inévitablement l'abandon des projets, la multiplication des avenants, la malfaçon et le manque de satisfaction de la part des bénéficiaires. Ainsi, après avoir effectué une analyse SWOT de la maturité des projets d’investissement public camerounais, cette étude explore 191 projets (17 grands projets de première génération et 174 projets du programme PLANUT) entrepris au cours de la dernière décennie, afin de sonder l’influence de la maturation des projets sur le délai, le coût et la qualité. Les résultats du test d'hypothèses à l'aide de l'analyse de corrélation de Spearman ont révélé que des quinze hypothèses énoncées, treize ont été acceptées. Il ressort également que le niveau général de maturité de cette étude était respectivement de 68 % et 26% pour les deux groupes de l’échantillon étudié. Le niveau de maturité d'un projet d'investissement public au Cameroun affecte positivement sa livraison, alors que certaines variables de maturité n'expliquent pas significativement les coûts avec certains paramètres, mais influencent d'autres. Des recommandations pour une meilleure gestion des projets dans le pays sont énoncées. metadata Kabelat Ameke, Arnaud mail arnaud.kabelat@doctorado.unini.edu.mx (2024) Français. Doctoral thesis, Universidad Internacional Iberoamericana México.
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Le Cameroun, situé en Afrique centrale, joue un rôle de premier plan en termes d'échanges, avec environ la moitié du PIB de la zone de la Commission économique et monétaire de l'Afrique centrale. Pourtant, la qualité des dépenses publiques au Cameroun serait l'un des griefs qui pèsent sur sa croissance économique. Cette sous-performance est généralement liée à la gestion de projets, levier essentiel pour le développement du pays. La construction d'infrastructures est l'un des enjeux de la politique de développement du Cameroun. Les acteurs de mise en œuvre des projets ont une faible maîtrise de la préparation des projets d’investissement public. Cette carence des acteurs dans la connaissance et la pratique de la maturation a un impact énorme dans la consommation des crédits et l'exécution des projets qui entraîne inévitablement l'abandon des projets, la multiplication des avenants, la malfaçon et le manque de satisfaction de la part des bénéficiaires. Ainsi, après avoir effectué une analyse SWOT de la maturité des projets d’investissement public camerounais, cette étude explore 191 projets (17 grands projets de première génération et 174 projets du programme PLANUT) entrepris au cours de la dernière décennie, afin de sonder l’influence de la maturation des projets sur le délai, le coût et la qualité. Les résultats du test d'hypothèses à l'aide de l'analyse de corrélation de Spearman ont révélé que des quinze hypothèses énoncées, treize ont été acceptées. Il ressort également que le niveau général de maturité de cette étude était respectivement de 68 % et 26% pour les deux groupes de l’échantillon étudié. Le niveau de maturité d'un projet d'investissement public au Cameroun affecte positivement sa livraison, alors que certaines variables de maturité n'expliquent pas significativement les coûts avec certains paramètres, mais influencent d'autres. Des recommandations pour une meilleure gestion des projets dans le pays sont énoncées.
Tipo de Documento: | Tesis (Doctoral) |
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Palabras Clave: | Maturation, Croissance, Projet d’investissement public, Visa de maturité, Consommation de crédits |
Clasificación temática: | Materias > Ingeniería |
Divisiones: | Universidad Internacional Iberoamericana México > Investigación > Tesis Doctorales |
Depositado: | 28 Sep 2023 23:30 |
Ultima Modificación: | 04 Jul 2024 23:30 |
URI: | https://repositorio.unini.edu.mx/id/eprint/6590 |
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<a href="/10290/1/Influence%20of%20E-learning%20training%20on%20the%20acquisition%20of%20competences%20in%20basketball%20coaches%20in%20Cantabria.pdf" class="ep_document_link"><img class="ep_doc_icon" alt="[img]" src="/style/images/fileicons/text.png" border="0"/></a>
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The main aim of this study was to analyse the influence of e-learning training on the acquisition of competences in basketball coaches in Cantabria. The current landscape of basketball coach training shows an increasing demand for innovative training models and emerging pedagogies, including e-learning-based methodologies. The study sample consisted of fifty students from these courses, all above 16 years of age (36 males, 14 females). Among them, 16% resided outside the autonomous community of Cantabria, 10% resided more than 50 km from the city of Santander, 36% between 10 and 50 km, 14% less than 10 km, and 24% resided within Santander city. Data were collected through a Google Forms survey distributed by the Cantabrian Basketball Federation to training course students. Participation was voluntary and anonymous. The survey, consisting of 56 questions, was validated by two sports and health doctors and two senior basketball coaches. The collected data were processed and analysed using Microsoft® Excel version 16.74, and the results were expressed in percentages. The analysis revealed that 24.60% of the students trained through the e-learning methodology considered themselves fully qualified as basketball coaches, contrasting with 10.98% of those trained via traditional face-to-face methodology. The results of the study provide insights into important characteristics that can be adjusted and improved within the investigated educational process. Moreover, the study concludes that e-learning training effectively qualifies basketball coaches in Cantabria.
Josep Alemany Iturriaga mail josep.alemany@uneatlantico.es, Álvaro Velarde-Sotres mail alvaro.velarde@uneatlantico.es, Javier Jorge mail , Kamil Giglio mail ,
Alemany Iturriaga
<a class="ep_document_link" href="/15198/1/nutrients-16-03859.pdf"><img class="ep_doc_icon" alt="[img]" src="/style/images/fileicons/text.png" border="0"/></a>
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Carotenoids Intake and Cardiovascular Prevention: A Systematic Review
Background: Cardiovascular diseases (CVDs) encompass a variety of conditions that affect the heart and blood vessels. Carotenoids, a group of fat-soluble organic pigments synthesized by plants, fungi, algae, and some bacteria, may have a beneficial effect in reducing cardiovascular disease (CVD) risk. This study aims to examine and synthesize current research on the relationship between carotenoids and CVDs. Methods: A systematic review was conducted using MEDLINE and the Cochrane Library to identify relevant studies on the efficacy of carotenoid supplementation for CVD prevention. Interventional analytical studies (randomized and non-randomized clinical trials) published in English from January 2011 to February 2024 were included. Results: A total of 38 studies were included in the qualitative analysis. Of these, 17 epidemiological studies assessed the relationship between carotenoids and CVDs, 9 examined the effect of carotenoid supplementation, and 12 evaluated dietary interventions. Conclusions: Elevated serum carotenoid levels are associated with reduced CVD risk factors and inflammatory markers. Increasing the consumption of carotenoid-rich foods appears to be more effective than supplementation, though the specific effects of individual carotenoids on CVD risk remain uncertain.
Sandra Sumalla Cano mail sandra.sumalla@uneatlantico.es, Imanol Eguren García mail imanol.eguren@uneatlantico.es, Álvaro Lasarte García mail , Thomas Prola mail thomas.prola@uneatlantico.es, Raquel Martínez Díaz mail raquel.martinez@uneatlantico.es, Iñaki Elío Pascual mail inaki.elio@uneatlantico.es,
Sumalla Cano
<a href="/14584/1/s41598-024-73664-6.pdf" class="ep_document_link"><img class="ep_doc_icon" alt="[img]" src="/style/images/fileicons/text.png" border="0"/></a>
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The evolution of the COVID-19 pandemic has been associated with variations in clinical presentation and severity. Similarly, prediction scores may suffer changes in their diagnostic accuracy. The aim of this study was to test the 30-day mortality predictive validity of the 4C and SEIMC scores during the sixth wave of the pandemic and to compare them with those of validation studies. This was a longitudinal retrospective observational study. COVID-19 patients who were admitted to the Emergency Department of a Spanish hospital from December 15, 2021, to January 31, 2022, were selected. A side-by-side comparison with the pivotal validation studies was subsequently performed. The main measures were 30-day mortality and the 4C and SEIMC scores. A total of 27,614 patients were considered in the study, including 22,361 from the 4C, 4,627 from the SEIMC and 626 from our hospital. The 30-day mortality rate was significantly lower than that reported in the validation studies. The AUCs were 0.931 (95% CI: 0.90–0.95) for 4C and 0.903 (95% CI: 086–0.93) for SEIMC, which were significantly greater than those obtained in the first wave. Despite the changes that have occurred during the coronavirus disease 2019 (COVID-19) pandemic, with a reduction in lethality, scorecard systems are currently still useful tools for detecting patients with poor disease risk, with better prognostic capacity.
Pedro Ángel de Santos Castro mail , Carlos del Pozo Vegas mail , Leyre Teresa Pinilla Arribas mail , Daniel Zalama Sánchez mail , Ancor Sanz-García mail , Tony Giancarlo Vásquez del Águila mail , Pablo González Izquierdo mail , Sara de Santos Sánchez mail , Cristina Mazas Pérez-Oleaga mail cristina.mazas@uneatlantico.es, Irma Dominguez Azpíroz mail irma.dominguez@unini.edu.mx, Iñaki Elío Pascual mail inaki.elio@uneatlantico.es, Francisco Martín-Rodríguez mail ,
de Santos Castro
<a class="ep_document_link" href="/14915/1/s41598-024-74357-w.pdf"><img class="ep_doc_icon" alt="[img]" src="/style/images/fileicons/text.png" border="0"/></a>
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Diabetes is a persistent health condition led by insufficient use or inappropriate use of insulin in the body. If left undetected, it can lead to further complications involving organ damage such as heart, lungs, and eyes. Timely detection of diabetes helps obtain the right medication, diet, and exercise plan to lead a healthy life. ML approach has been utilized to obtain rapid and reliable diabetes detection, however, existing approaches suffer from the use of limited datasets, lack of generalizability, and lower accuracy. This study proposes a novel feature extraction approach to overcome these limitations by using an ensemble of convolutional neural network (CNN) and long short-term memory (LSTM) models. Multiple datasets are combined to make a larger dataset for experiments and multiple features are utilized for investigating the efficacy of the proposed approach. Features from the extra tree classifier, CNN, and LSTM are also considered for comparison. Experimental results reveal the superb performance of CNN-LSTM-based features with random forest model obtaining a 0.99 accuracy score. This performance is further validated by comparison with existing approaches and k-fold cross-validation which shows the proposed approach provides robust results.
Furqan Rustam mail , Ahmad Sami Al-Shamayleh mail , Rahman Shafique mail , Silvia Aparicio Obregón mail silvia.aparicio@uneatlantico.es, Rubén Calderón Iglesias mail ruben.calderon@uneatlantico.es, J. Pablo Miramontes Gonzalez mail , Imran Ashraf mail ,
Rustam
<a class="ep_document_link" href="/14916/1/s41598-024-75833-z.pdf"><img class="ep_doc_icon" alt="[img]" src="/style/images/fileicons/text.png" border="0"/></a>
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Assessment of side effects associated with COVID-19 vaccination is required to monitor safety issues and acceptance of vaccines in the long term. We found a significant knowledge gap in the safety profile of COVID-19 vaccines in Bangladesh. We enrolled 1805 vaccine recipients from May 5, 2021, to April 4, 2023. Kruskal-Wallis test and χ2 test were performed. Multivariable logistic regression was also performed. First, second and third doses were administered among 1805, 1341, and 923 participants, respectively. Oxford–AstraZeneca (2946 doses) was the highest administered followed by Sinopharm BIBP (551 doses), Sinovac (214 doses), Pfizer-BioNTech (198 doses), and Moderna (160 doses), respectively. Pain at the injection site (80-90%, 3200–3600), swelling (85%, 3458), redness (78%, 3168), and heaviness in hand (65%, 2645) were the most common local effects, and fever (85%, 3458), headache (82%, 3336), myalgia (70%, 2848), chills (67%, 2726), muscle pain (60%, 2441) were the most prevalent systemic side effects reported within 48 h of vaccination. Thrombosis was only reported among the Oxford–AstraZeneca recipients (3.5-5.7%). Both local and systemic effects were significantly associated with the Oxford–AstraZeneca (p-value < 0.05), Pfizer–BioNTech (p-value < 0.05), and Moderna (p-value < 0.05) vaccination. Chronic urticaria and psoriasis were reported by 55-60% of the recipients after six months or later. The highest percentage of local and systemic effects after 2nd and 3rd dose were found among recipients of Moderna followed by Pfizer-BioNTech and Oxford–AstraZeneca. Homogenous doses of Oxford–AstraZeneca and heterogenous doses of Moderna and Pfizer-BioNTech were significantly associated with elevated adverse effects. Females, aged above 60 years with preexisting health conditions had higher risks. Vaccination with Pfizer-BioNTech (OR 4.34, 95% CI 3.95–4.58) had the highest odds of severe and long-term effects followed by Moderna (OR 4.15, 95% CI 3.92–4.69) and Oxford–AstraZeneca (OR 3.89, 95% CI 3.45–4.06), respectively. This study will provide an integrated insight into the safety profile of COVID-19 vaccines.
Nadim Sharif mail , Rubayet Rayhan Opu mail , Tama Saha mail , Afsana Khan mail , Abrar Aljohani mail , Meshari A. Alsuwat mail , Carlos O. García mail , Annia A. Vázquez mail annia.almeyda@uneatlantico.es, Khalid J. Alzahrani mail , J. Pablo Miramontes-González mail , Shuvra Kanti Dey mail ,
Sharif