Now showing items 1-20 of 20

    • A motivational interview program for cardiac rehabilitation after acute myocardial infarction: study protocol of a randomized controlled trial in primary healthcare 

      Rodríguez Romero, Rocío; Falces Salvador, Carles; Kostov, Belchin Adriyanov; García Planas, Noemí; Blat Guimerà, Esther; Alvira Balada, Maria del Carme; López Poyato, Mireia; Benito Serrano, María L.; Vidiella Piñol, Ingrid; Zamora Sánchez, Juan J.; Benet Blasco, Marta; Garnacho Castaño, Manuel V.; Santos Ruiz, Susana; Santesmases Masana, Rosalia; Roura Rovira, Silvia; Benavent Àreu, Jaume; Sisó Almirall, Antoni; González de Paz, Luis (2022-12-01)
      Article
      Open Access
      Background: Cardiac rehabilitation after acute myocardial infarction permits recovery of the heart function and ena- bles secondary prevention programs in which changes in lifestyle habits are crucial. Cardiac rehabilitation ...
    • A principal component method to analyse disconnected frequency tables by means of contextual information 

      Kostov, Belchin Adriyanov (Universitat Politècnica de Catalunya, 2015-07-10)
      Doctoral thesis
      Open Access
      This thesis arises from the need to deal with open-ended questions answered in different languages in international surveys. For every language, the free answers are encoded in the form of a individuals x words lexical ...
    • Aportación del analisis canónico de correspondencias al análisis textual 

      Kostov, Belchin Adriyanov (Universitat Politècnica de Catalunya, 2008-06)
      Master thesis (pre-Bologna period)
      Open Access
      La creación de bases de datos jurídicos y jurisprudenciales, que contienen principalmente las sentencias emitidas por los tribunales, ha conducido a crear herramientas múltiples para facilitar su interrogación. Actualmente, ...
    • Categorized napping, a sensometric tool for food and beverage industry. An application to a hall test session 

      Kostov, Belchin Adriyanov (Universitat Politècnica de Catalunya, 2010-07)
      Master thesis
      Open Access
      Sensory analysis is the standard analysis of foods made with the senses. Under the name of sensometrics regroup statistical methods address to this type of data. An important application area of sensory analysis is the ...
    • Characterization and outcomes of 414 patients with primary SS who developed haematological malignancies 

      Hernández Molina, Gabriela; Kostov, Belchin Adriyanov; Brito Zerón, Pilar; Vissink, Arjan; Mandl, Thomas; Hinrichs, Anneline C.; Quartuccio, Luca; Baldini, Chiara; Seror, Raphaèle; Szántó, Antonia; Isenberg, David; Gerli, Roberto; Nordmark, Gunnel; Acar Denizli, Nihan (2023-01-01)
      Article
      Open Access
      Objective To characterize 414 patients with primary SS who developed haematological malignancies and to analyse how the main SS- and lymphoma-related features can modify the presentation patterns and outcomes. Methods By ...
    • Correspondence analysis on generalised aggregated lexical tables (CA-GALT) in the FactoMineR package 

      Kostov, Belchin Adriyanov; Bécue Bertaut, Mónica María; Husson, François (2015-06-01)
      Article
      Open Access
      Correspondence analysis on generalised aggregated lexical tables (CA-GALT) is a method that generalizes classical CA-ALT to the case of several quantitative, categorical and mixed variables. It aims to establish a typology ...
    • Cost-accuracy and patient experience assessment of blood pressure monitoring methods to diagnose hypertension: a comparative effectiveness study 

      González de Paz, Luis; Kostov, Belchin Adriyanov; Freixa Macià, Xavier; Herranz Rodríguez, Carmen; Lagarda Jiménez, Elena; Ortega Carmona, María; Pérez García, Elisa; Porcar León, Sílvia; Sánchez Romero, Eva; Serrato Villa, Montserrat; Vidiella Piñol, Ingrid; Sisó Almirall, Antoni (Frontiers Media SA, 2022-11-10)
      Article
      Open Access
      Objectives: Studies of the diagnosis of hypertension have emphasized longterm cost-effectiveness analysis, but the patient experience and costs of blood pressure monitoring methods at the diagnosis stage remain unclear. ...
    • Effectiveness of a new one-hour blood pressure monitoring method to diagnose hypertension: a diagnostic accuracy clinical trial protocol 

      González de Paz, Luis; Kostov, Belchin Adriyanov; Alvira Balada, Maria del Carme; Colungo, Cristina (2019-05-01)
      Article
      Open Access
      Introduction 24-hour ambulatory blood pressure monitoring (ABPM) is the gold standard diagnostic method for hypertension, but has some shortcomings in clinical practice while clinical settings often lack sufficient devices ...
    • Efficacy and safety of topical and systemic medications: a systematic literature review informing the EULAR recommendations for the management of Sjögren's syndrome 

      Brito Zerón, Pilar; Retamozo, Soledad; Kostov, Belchin Adriyanov (2019-10-28)
      Article
      Open Access
      Objective To evaluate current evidence on the efficacy and safety of topical and systemic medications in patients with primary Sjögren syndrome (SjS) to inform European League Against Rheumatism treatment recommendations. ...
    • EULAR recommendations for the management of Sjogren's syndrome with topical and systemic therapies 

      Ramos Casals, Manuel; Brito Zerón, Pilar; Bombardieri, Stefano; Bootsma, Hendrika; de Vita, Salvatore; Dörner, Thomas; Fisher, Benjamin A.; Gottenberg, Jacques-Eric; Hernández Molina, Gabriela; Kocher, Agnes; Kostov, Belchin Adriyanov (2020-01-01)
      Article
      Open Access
      The therapeutic management of Sjögren syndrome (SjS) has not changed substantially in recent decades: treatment decisions remain challenging in clinical practice, without a specific therapeutic target beyond the relief of ...
    • Face-to-face and tele-consults: a study of the effects on diagnostic activity and patient demand in primary healthcare 

      Baron Miras, Lourdes; Sisó Almirall, Antoni; Kostov, Belchin Adriyanov; Sánchez, Encarna; Roura Rovira, Silvia; Benavent Àreu, Jaume; González de Paz, Luis (2022-11-01)
      Article
      Open Access
      Primary healthcare services have changed from face-to-face to tele-consults during the two COVID-19 years. We examined trends before and during the COVID-19 pandemic years based on groups of professionals, patient ages, ...
    • Gene variation at immunomodulatory and cell adhesion molecules Loci impacts primary Sjögren's Syndrome 

      Casadó Llombart, Sergi; Gheitasi, Hoda; Ariño, Silvia; Consuegra Fernández, Marta; Armiger Borrás, Noelia; Kostov, Belchin Adriyanov; Ramos Casals, Manuel; Brito Zerón, Pilar; Lozano Soto, Francisco (Frontiers Media SA, 2022-03-18)
      Article
      Open Access
      Primary Sjögren's syndrome (pSS) is an autoimmune disease triggered by a combination of environmental and host genetic factors, which results in the focal lymphocytic infiltration of exocrine glands causing eye and mouth ...
    • Glycaemia fluctuations improvement in old-age prediabetic subjects consuming a quinoa-based diet: a pilot study 

      Díaz Rizzolo, Diana Alícia; Acar Denizli, Nihan; Kostov, Belchin Adriyanov; Roura, Elena; Sisó-Almirall, Antoni; Delicado Useros, Pedro Francisco; Gomis de Barbarà, Ramon (2022-06-01)
      Article
      Open Access
      This study aimed to observe if quinoa could produce a benefit on postprandial glycemia that would result in less progression to type 2 diabetes (T2D). A cross-over design pilot clinical study with a nutritional intervention ...
    • Impact of the COVID-19 pandemic on primary health care disease incidence rates: 2017 to 2020 

      Sisó-Almirall, Antoni; Kostov, Belchin Adriyanov; Sánchez, Encarna; Benavent Àreu, Jaume; González de Paz, Luis (2022-01)
      Article
      Open Access
      We assessed the impact of the COVID-19 pandemic in Spain on new cases of diseases and conditions commonly seen in primary care. In 2020, there were significant reductions from 2017-2019 in the annual incidences of hypertension ...
    • Intervalos de confianza 

      Cobo Valeri, Erik; Kostov, Belchin Adriyanov; Cortés Martínez, Jordi; González Alastrué, José Antonio; Muñoz, Pilar; Rufino, Hector; Peláez, Rosario; Vilaró Pacheco, Marta; Bielsa, Nerea (Universitat Politècnica de Catalunya, 2014-09)
      Lecture notes
      Open Access
    • Long covid-19: proposed primary care clinical guidelines for diagnosis and disease management 

      Sisó-Almirall, Antoni; Brito Zerón, Pilar; Conangla Ferrin, Laura; Kostov, Belchin Adriyanov (2021-04-02)
      Article
      Open Access
      Long COVID-19 may be defined as patients who, four weeks after the diagnosis of SARS-Cov-2 infection, continue to have signs and symptoms not explainable by other causes. The estimated frequency is around 10% and signs and ...
    • MFACT, a new funcionality in MFA -FactoMineR 

      Kostov, Belchin Adriyanov; Bécue Bertaut, Mónica María; Husson, François (2013)
      Article
      Restricted access - publisher's policy
      We present multiple factor analysis for contingency tables (MFACT) and its implementation in the FactoMineR package. This method, through an option of the MFA function, allows us to deal with multiple contingency or ...
    • Modelos para variables discretas 

      Kostov, Belchin Adriyanov; Cobo Valeri, Erik; González Alastrué, José Antonio; Cortés Martínez, Jordi; Peláez, Rosario; Vilaró Pacheco, Marta; Riba, Laura; Bielsa, Nerea (Universitat Politècnica de Catalunya, 2014-09)
      Lecture notes
      Open Access
    • Paradoxical suboptimal vitamin D levels in a Mediterranean area: a population-based study 

      Díaz Rizzolo, Diana Alícia; Kostov, Belchin Adriyanov; Gomis de Barbarà, Ramon; Sisó Almirall, Antoni (Nature, 2022-11-16)
      Article
      Open Access
      Policies in sunny countries, such as those in the Mediterranean area, do not promote vitamin D supplementation despite some studies might suggest the high prevalence of sub-optimal levels. The objective was to determine ...
    • Threshold to predict astigmatism reduction after pterygium excision 

      Pujol Vives, Pere; Julio Morán, Gemma; de Carvalho Mendes Castanheira, Amélia Maria; Kostov, Belchin Adriyanov; Pujol Vives, Pere (2014-07-01)
      Article
      Restricted access - publisher's policy
      Purpose. To compare corneal astigmatism after pterygium excision, using limbal-conjunctival autograft (LCA) with and without mitomycin C (MMC) and to establish a threshold for postoperative astigmatism reduction.; Methods. ...