14 documents found, page 1 of 2

Estimation in a three-state model with interval-censored data [abstract]

In many fields, including medical research, engineering, and the social sciences, analyzing time-to-event data is essential for uncovering underlying processes and facilitating decision-making. A common challenge in this analysis arises when events are confirmed to have taken place within specific time intervals, yet the exact timing within those intervals remains unknown, a phenomenon known as interval censori...

Beyond Kaplan-Meier: A comprehensive R Package for Interval-Censored Survival A...

This work is funded by national funds through FCT – Fundação para a Ciência e a Tecnologia, I.P., under the UID/00013: Centro de Matemática da Universidade do Minho (CMAT/UM) Program Contract, and the project reference 2023.14897.PEX (DOI: 10.54499/2023.14897.PEX).; Interval-censored data frequently arise in survival analysis when the exact time of an event is unknown but is known to occur within a specific tim...

Full-Thickness Skin Grafting Of Oral Defects: Enhancing Graft Stability With In...

Introduction: Full-thickness skin grafts (FTSGs) are vital in reconstructive surgery, especially for challenging oral cavity defects. Secure fixation is essential to prevent displacement and ensure integration with the recipient site. Traditional methods often fail in the oral environment due to moisture, movement, and bacteria. This study introduces a novel modification using intramural quilting sutures to enh...

Small businesses, big problems

Communication, according to the portuguese language dictionary, consists of "the exchange of information between individuals through speech, writing, a common code or behaviour". On the business side, communication is crucial for the success of any business. Effective business communication dictates the smooth functioning of a company. However, poor communication or lack of it can give rise to several problems,...

Portuguese sentiment analysis applied to a reality show using Twitter and NLP i...

The motivation for this study was to measure the impact that Twitter publications have on voting and the choosing of winners. To this end, an experimental study was carried out based on a set of data collected from tweets (published on Twitter) related to the reality show “Big Brother - A Revolução”, broadcast on a television station in Portugal, TVI. The procedure adopted for conducting the experiment consiste...

Suffering in End-of-Life Patients in the COVID-19 Era

N/a.; N/a.

ENDOVASCULAR MANAGEMENT OF LIFE-THREATENING CAROTID BLOWOUT SYNDROME AFTER OSTE...

Aim: Carotid blowout syndrome is a rare but devastating complication of head and neck malignancy, and is associated with a reported mortality and neurologic morbidity of 40% and 60% respectively. The aim of this case report is to present our experience with a single case of massive haemorrhage from the internal carotid artery (ICA) in a previously irradiated neck treated with a stentgraft, hence maintaining car...

O envelhecimento ativo e a qualidade de vida: uma revisão integrativa

Relatório de Estágio Curricular – Câmara Municipal de Celorico da Beira

Este trabalho tem por objectivo o levantamento, monitorização e avaliação do funcionamento hidráulico de sistemas de distribuição de água, centrando-se no caso de estudo do sistema de abastecimento da Lageosa do Mondego. Para esse efeito, efectuou-se um levantamento da rede de abastecimento, realizou-se uma breve caracterização sócio-demográfica e habitacional da Zona de Medição e Controlo (ZMC), quantificaram-...

Repositórios temáticos U.Porto: manual de procedimentos para a criação de Bibli...