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Scientific articles

Sánchez-Guillén, L., Soriano-Irigaray, L., López-Rodríguez-arias, F., Barber X., Murcia A., Alcaide M.J., Aranaz-Ostáriz V., Soler-Silva Á., Navarro-Ruiz, A., Arroyo, A. (2021) «Effect of early peripheral parenteral nutrition support in an enhanced recovery program for colorectal cancer surgery: A randomized open trial», Journal of Clinical Medicine, 10 (16):3647

Luís Sánchez-Guillén, Francisco López-Rodríguez-Arias, María José Alcaide, Verónica Aranaz-Ostáriz, Álvaro Soler-Silva, Antonio Arroyo (Colorectal Unit, Department of General Surgery, Elche University Hospital, Miguel Hernandez University), Leticia Soriano-Irigaray, Ana Cristina Murcia-López, Andrés Navarro-Ruiz (Department of Pharmacy, Elche University Hospital-FISABIO ) and Xavier Barber (University Miguel Hernández of Elche)
Abstract: Background: Peripheral parenteral nutrition allows repletion of acute nutrient […]

By salonso, ago

Barber, X., García-Gómez, J.A., Martínez-Vidal, M.P., Álvarez-Cienfuegos, A. (2021) «Reply letter: Benefits of the Bayes factor in rheumatology research | Carta de réplica: beneficios del factor Bayes en la investigación de reumatología», Revista Colombiana de Reumatología, 28 (3):232–233

Xavier Barber (University Miguel Hernández of Elche), José Alberto García-Gómez (Hospital General Universitario de Elche), María Paz Martínez-Vidal (Hospital Universitario San Juan de Alicante) and Antonio Álvarez de Cienfuegos (Hospital Vega-Baja, Orihuela)
Abstract: 

By salonso, ago

Barber, X., Conesa, D., López-Quílez, A., Martinez-Minaya J., Paradinas, I., Pennino, M.G. (2021) «Incorporating biotic information in species distribution models: A coregionalized approach», Mathematics, 9 (4) : 1–12, 417

Xavier Barber (University Miguel Hernández of Elche), David Conesa, Antonio López-Quílez (Department of Statistics and Operations Research, University of Valencia), Joaquín Martínez-Minaya (Data Science Area, Basque Center for Applied Mathematics (BCAM)), Iosu  Paradinas (Scottish Ocean’s Institute, University of St Andrews) and  Maria Grazia Pennino  (Centro Oceanográfico de Vigo, Instituto Español de Oceanografía)
Abstract: In this work, we […]

By salonso, ago

Aguilar-Martinez, M.D.M., Sanchez-Guillen, L., Barber-Valles, X., Alcaide-Quiros M.J., Bosch-Ramirez M., Lopez-Delgado A., Tozer, P., Arroyo, A. (2021) «Long-term Evaluation of Fistulotomy and Immediate Sphincteroplasty as a Treatment for Complex Anal Fistula», Diseases of the Colon and Rectum, 1374–1384

  Maria Del Mar Aguilar-Martinez,  Luís Sánchez-Guillén, María José Alcaide-Quirós, Marina Bosch-Ramírez,  Alberto López-Delgado, Antonio Arroyo (Department of General Surgery, Colorectal Unit, Elche University Hospital, University Miguel Hernandez of Elche), Xavier Barber (University Miguel Hernández of Elche) and  Phillip James Tozer (Fistula Research Unit, St. Mark’s Hospital and Academic Institute, Harrow, Middlesex, United Kingdom
Department of […]

By salonso, ago

Barber, X. et al. (249) (2021) «COVID-19 in hospitalized HIV-positive and HIV-negative patients: A matched study», HIV Medicine,

Xavier Barber (University Miguel Hernández of Elche) et al. 
Abstract: Objectives: We compared the characteristics and clinical outcomes of hospitalized individuals with COVID-19 with [people with HIV (PWH)] and without (non-PWH) HIV co-infection in Spain during the first wave of the pandemic. Methods: This was a retrospective matched cohort study. People with HIV were identified by reviewing […]

By salonso, ago

Aparicio, J., Ortiz, L., Santín, D. (2021) «Comparing group performance over time through the Luenberger productivity indicator: An application to school ownership in European countries», European Journal of Operational Research, 294 (2):651–672

 Juan Aparicio, Lidia Ortiz (University Miguel Hernández of Elche) and Daniel Santín (Complutense Institute of Economic Analysis, Complutense University of Madrid)
Abstract: This paper extends the Camanho and Dyson (2006) one-period Malmquist-type index (CDMI) and the recent pseudo-panel Malmquist index (PPMI) by Aparicio et al. (2017) and Aparicio and Santín (2018) to a context where additive efficiency […]

By salonso, ago

Valero-Carreras, D., Aparicio, J., Guerrero, N.M. (2021) «Support vector frontiers: A new approach for estimating production functions through support vector machines», Omega, 104, 102490

Daniel Valero, Juan Aparicio and Nadia Guerrero (University Miguel Hernández of Elche)
Abstract: In microeconomics, a topic of interest is the estimation of production functions. By definition, a production function is a non-decreasing function that envelops all the observations (firms) from above in the input-output space, capturing the extreme behavior of the data. These characteristics are far […]

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Aparicio, J., Rodríguez, D.Y., Zabala-Iturriagagoitia, J.M. (2021) "The systemic approach as an instrument to evaluate higher education systems: Opportunities and challenges", Research Evaluation, 30 (3):336–348

Juan Aparicio (University Miguel Hernández of Elche), Dorys Yaneth Rodríguez  and Jon Mikel Zabala-Iturriagagoitia (University of Deusto)
Abstract: This article aims to provide a systemic instrument to evaluate the functioning of higher education systems. Despite systemic instruments have had a strong impact on the management of public policy systems in fields such as health and innovation, higher […]

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Aparicio, J., Cordero, J.M., Ortiz, L. (2021) «Efficiency analysis with educational data: How to deal with plausible values from international large-scale assessments», Mathematics, 9 (13): 1579

Juan Aparicio, Lidia Ortiz (University Miguel Hernández of Elche) and José Manuel Cordero (Department of Economics, University of Extremadura)
Abstract: International large-scale assessments (ILSAs) provide several measures as a representation of educational outcomes, the so-called plausible values, which are frequently interpreted as a representation of the ability range of students. In this paper, we focus […]

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Aparicio, J., Kapelko, M., Ortiz, L. (2021) «Modelling environmental inefficiency under a quota system», Operational Research, 21 (2):1097–1124

Juan Aparicio, Lidia Ortiz (University Miguel Hernández of Elche) and Magdalena Kapelko (Institute of Applied Mathematics, Department of Logistics, Wrocław University of Economics)
Abstract:  This paper introduces the methodology necessary to evaluate inefficiency of regulated decision making units that operate under quotas through data envelopment analysis, accounting for both quotas restrictions and negative environmental externalities of […]

By salonso, ago